20818102500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:837

約数の個数: 360

約数和(自身を含む): 71607728192

約数和(自身を除く): 50789625692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 103, 117, 125, 130, 150, 156, 180, 195, 206, 225, 234, 250, 260, 300, 309, 325, 375, 390, 412, 450, 468, 500, 515, 585, 618, 625, 650, 691, 750, 780, 900, 927, 975, 1030, 1125, 1170, 1236, 1250, 1300, 1339, 1382, 1500, 1545, 1625, 1854, 1875, 1950, 2060, 2073, 2250, 2340, 2500, 2575, 2678, 2764, 2925, 3090, 3250, 3455, 3708, 3750, 3900, 4017, 4146, 4500, 4635, 4875, 5150, 5356, 5625, 5850, 6180, 6219, 6500, 6695, 6910, 7500, 7725, 8034, 8125, 8292, 8983, 9270, 9750, 10300, 10365, 11250, 11700, 12051, 12438, 12875, 13390, 13820, 14625, 15450, 16068, 16250, 17275, 17966, 18540, 19500, 20085, 20730, 22500, 23175, 24102, 24375, 24876, 25750, 26780, 26949, 29250, 30900, 31095, 32500, 33475, 34550, 35932, 38625, 40170, 41460, 44915, 46350, 48204, 48750, 51500, 51825, 53898, 58500, 60255, 62190, 64375, 66950, 69100, 71173, 73125, 77250, 80340, 80847, 86375, 89830, 92700, 97500, 100425, 103650, 107796, 115875, 120510, 124380, 128750, 133900, 134745, 142346, 146250, 154500, 155475, 161694, 167375, 172750, 179660, 193125, 200850, 207300, 213519, 224575, 231750, 241020, 257500, 259125, 269490, 284692, 292500, 301275, 310950, 323388, 334750, 345500, 355865, 386250, 401700, 404235, 427038, 431875, 449150, 463500, 502125, 518250, 538980, 579375, 602550, 621900, 640557, 669500, 673725, 711730, 772500, 777375, 808470, 836875, 854076, 863750, 898300, 925249, 1004250, 1036500, 1067595, 1122875, 1158750, 1205100, 1281114, 1295625, 1347450, 1423460, 1506375, 1554750, 1616940, 1673750, 1727500, 1779325, 1850498, 2008500, 2021175, 2135190, 2245750, 2317500, 2510625, 2562228, 2591250, 2694900, 2775747, 3012750, 3109500, 3202785, 3347500, 3368625, 3558650, 3700996, 3886875, 4042350, 4270380, 4491500, 4626245, 5021250, 5182500, 5337975, 5551494, 5614375, 6025500, 6405570, 6737250, 7117300, 7531875, 7773750, 8084700, 8327241, 8896625, 9252490, 10042500, 10105875, 10675950, 11102988, 11228750, 12811140, 13474500, 13878735, 15063750, 15547500, 16013925, 16654482, 16843125, 17793250, 18504980, 20211750, 21351900, 22457500, 23131225, 26689875, 27757470, 30127500, 32027850, 33308964, 33686250, 35586500, 40423500, 41636205, 44483125, 46262450, 50529375, 53379750, 55514940, 64055700, 67372500, 69393675, 80069625, 83272410, 88966250, 92524900, 101058750, 106759500, 115656125, 133449375, 138787350, 160139250, 166544820, 177932500, 202117500, 208181025, 231312250, 266898750, 277574700, 320278500, 346968375, 400348125, 416362050, 462624500, 533797500, 578280625, 693936750, 800696250, 832724100, 1040905125, 1156561250, 1387873500, 1601392500, 1734841875, 2081810250, 2313122500, 3469683750, 4163620500, 5204525625, 6939367500, 10409051250, 20818102500]

約数ペア:

[(1, 20818102500), (2, 10409051250), (3, 6939367500), (4, 5204525625), (5, 4163620500), (6, 3469683750), (9, 2313122500), (10, 2081810250), (12, 1734841875), (13, 1601392500), (15, 1387873500), (18, 1156561250), (20, 1040905125), (25, 832724100), (26, 800696250), (30, 693936750), (36, 578280625), (39, 533797500), (45, 462624500), (50, 416362050), (52, 400348125), (60, 346968375), (65, 320278500), (75, 277574700), (78, 266898750), (90, 231312250), (100, 208181025), (103, 202117500), (117, 177932500), (125, 166544820), (130, 160139250), (150, 138787350), (156, 133449375), (180, 115656125), (195, 106759500), (206, 101058750), (225, 92524900), (234, 88966250), (250, 83272410), (260, 80069625), (300, 69393675), (309, 67372500), (325, 64055700), (375, 55514940), (390, 53379750), (412, 50529375), (450, 46262450), (468, 44483125), (500, 41636205), (515, 40423500), (585, 35586500), (618, 33686250), (625, 33308964), (650, 32027850), (691, 30127500), (750, 27757470), (780, 26689875), (900, 23131225), (927, 22457500), (975, 21351900), (1030, 20211750), (1125, 18504980), (1170, 17793250), (1236, 16843125), (1250, 16654482), (1300, 16013925), (1339, 15547500), (1382, 15063750), (1500, 13878735), (1545, 13474500), (1625, 12811140), (1854, 11228750), (1875, 11102988), (1950, 10675950), (2060, 10105875), (2073, 10042500), (2250, 9252490), (2340, 8896625), (2500, 8327241), (2575, 8084700), (2678, 7773750), (2764, 7531875), (2925, 7117300), (3090, 6737250), (3250, 6405570), (3455, 6025500), (3708, 5614375), (3750, 5551494), (3900, 5337975), (4017, 5182500), (4146, 5021250), (4500, 4626245), (4635, 4491500), (4875, 4270380), (5150, 4042350), (5356, 3886875), (5625, 3700996), (5850, 3558650), (6180, 3368625), (6219, 3347500), (6500, 3202785), (6695, 3109500), (6910, 3012750), (7500, 2775747), (7725, 2694900), (8034, 2591250), (8125, 2562228), (8292, 2510625), (8983, 2317500), (9270, 2245750), (9750, 2135190), (10300, 2021175), (10365, 2008500), (11250, 1850498), (11700, 1779325), (12051, 1727500), (12438, 1673750), (12875, 1616940), (13390, 1554750), (13820, 1506375), (14625, 1423460), (15450, 1347450), (16068, 1295625), (16250, 1281114), (17275, 1205100), (17966, 1158750), (18540, 1122875), (19500, 1067595), (20085, 1036500), (20730, 1004250), (22500, 925249), (23175, 898300), (24102, 863750), (24375, 854076), (24876, 836875), (25750, 808470), (26780, 777375), (26949, 772500), (29250, 711730), (30900, 673725), (31095, 669500), (32500, 640557), (33475, 621900), (34550, 602550), (35932, 579375), (38625, 538980), (40170, 518250), (41460, 502125), (44915, 463500), (46350, 449150), (48204, 431875), (48750, 427038), (51500, 404235), (51825, 401700), (53898, 386250), (58500, 355865), (60255, 345500), (62190, 334750), (64375, 323388), (66950, 310950), (69100, 301275), (71173, 292500), (73125, 284692), (77250, 269490), (80340, 259125), (80847, 257500), (86375, 241020), (89830, 231750), (92700, 224575), (97500, 213519), (100425, 207300), (103650, 200850), (107796, 193125), (115875, 179660), (120510, 172750), (124380, 167375), (128750, 161694), (133900, 155475), (134745, 154500), (142346, 146250)]