20808215100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1549

約数の個数: 216

約数和(自身を含む): 66265290000

約数和(自身を除く): 45457074900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 107, 150, 173, 180, 214, 225, 300, 321, 346, 428, 450, 519, 535, 642, 692, 865, 900, 963, 1038, 1070, 1249, 1284, 1557, 1605, 1730, 1926, 2076, 2140, 2498, 2595, 2675, 3114, 3210, 3460, 3747, 3852, 4325, 4815, 4996, 5190, 5350, 6228, 6245, 6420, 7494, 7785, 8025, 8650, 9630, 10380, 10700, 11241, 12490, 12975, 14988, 15570, 16050, 17300, 18511, 18735, 19260, 22482, 24075, 24980, 25950, 31140, 31225, 32100, 37022, 37470, 38925, 44964, 48150, 51900, 55533, 56205, 62450, 74044, 74940, 77850, 92555, 93675, 96300, 111066, 112410, 124900, 133643, 155700, 166599, 185110, 187350, 216077, 222132, 224820, 267286, 277665, 281025, 333198, 370220, 374700, 400929, 432154, 462775, 534572, 555330, 562050, 648231, 666396, 668215, 801858, 832995, 864308, 925550, 1080385, 1110660, 1124100, 1202787, 1296462, 1336430, 1388325, 1603716, 1665990, 1851100, 1944693, 2004645, 2160770, 2405574, 2592924, 2672860, 2776650, 3241155, 3331980, 3341075, 3889386, 4009290, 4164975, 4321540, 4811148, 5401925, 5553300, 6013935, 6482310, 6682150, 7778772, 8018580, 8329950, 9723465, 10023225, 10803850, 12027870, 12964620, 13364300, 16205775, 16659900, 19446930, 20046450, 21607700, 23120239, 24055740, 30069675, 32411550, 38893860, 40092900, 46240478, 48617325, 60139350, 64823100, 69360717, 92480956, 97234650, 115601195, 120278700, 138721434, 194469300, 208082151, 231202390, 277442868, 346803585, 416164302, 462404780, 578005975, 693607170, 832328604, 1040410755, 1156011950, 1387214340, 1734017925, 2080821510, 2312023900, 3468035850, 4161643020, 5202053775, 6936071700, 10404107550, 20808215100]

約数ペア:

[(1, 20808215100), (2, 10404107550), (3, 6936071700), (4, 5202053775), (5, 4161643020), (6, 3468035850), (9, 2312023900), (10, 2080821510), (12, 1734017925), (15, 1387214340), (18, 1156011950), (20, 1040410755), (25, 832328604), (30, 693607170), (36, 578005975), (45, 462404780), (50, 416164302), (60, 346803585), (75, 277442868), (90, 231202390), (100, 208082151), (107, 194469300), (150, 138721434), (173, 120278700), (180, 115601195), (214, 97234650), (225, 92480956), (300, 69360717), (321, 64823100), (346, 60139350), (428, 48617325), (450, 46240478), (519, 40092900), (535, 38893860), (642, 32411550), (692, 30069675), (865, 24055740), (900, 23120239), (963, 21607700), (1038, 20046450), (1070, 19446930), (1249, 16659900), (1284, 16205775), (1557, 13364300), (1605, 12964620), (1730, 12027870), (1926, 10803850), (2076, 10023225), (2140, 9723465), (2498, 8329950), (2595, 8018580), (2675, 7778772), (3114, 6682150), (3210, 6482310), (3460, 6013935), (3747, 5553300), (3852, 5401925), (4325, 4811148), (4815, 4321540), (4996, 4164975), (5190, 4009290), (5350, 3889386), (6228, 3341075), (6245, 3331980), (6420, 3241155), (7494, 2776650), (7785, 2672860), (8025, 2592924), (8650, 2405574), (9630, 2160770), (10380, 2004645), (10700, 1944693), (11241, 1851100), (12490, 1665990), (12975, 1603716), (14988, 1388325), (15570, 1336430), (16050, 1296462), (17300, 1202787), (18511, 1124100), (18735, 1110660), (19260, 1080385), (22482, 925550), (24075, 864308), (24980, 832995), (25950, 801858), (31140, 668215), (31225, 666396), (32100, 648231), (37022, 562050), (37470, 555330), (38925, 534572), (44964, 462775), (48150, 432154), (51900, 400929), (55533, 374700), (56205, 370220), (62450, 333198), (74044, 281025), (74940, 277665), (77850, 267286), (92555, 224820), (93675, 222132), (96300, 216077), (111066, 187350), (112410, 185110), (124900, 166599), (133643, 155700)]