20959200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 216

約数和(自身を含む): 76776336

約数和(自身を除く): 55817136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 41, 45, 48, 50, 60, 71, 72, 75, 80, 82, 90, 96, 100, 120, 123, 142, 144, 150, 160, 164, 180, 200, 205, 213, 225, 240, 246, 284, 288, 300, 328, 355, 360, 369, 400, 410, 426, 450, 480, 492, 568, 600, 615, 639, 656, 710, 720, 738, 800, 820, 852, 900, 984, 1025, 1065, 1136, 1200, 1230, 1278, 1312, 1420, 1440, 1476, 1640, 1704, 1775, 1800, 1845, 1968, 2050, 2130, 2272, 2400, 2460, 2556, 2840, 2911, 2952, 3075, 3195, 3280, 3408, 3550, 3600, 3690, 3936, 4100, 4260, 4920, 5112, 5325, 5680, 5822, 5904, 6150, 6390, 6560, 6816, 7100, 7200, 7380, 8200, 8520, 8733, 9225, 9840, 10224, 10650, 11360, 11644, 11808, 12300, 12780, 14200, 14555, 14760, 15975, 16400, 17040, 17466, 18450, 19680, 20448, 21300, 23288, 24600, 25560, 26199, 28400, 29110, 29520, 31950, 32800, 34080, 34932, 36900, 42600, 43665, 46576, 49200, 51120, 52398, 56800, 58220, 59040, 63900, 69864, 72775, 73800, 85200, 87330, 93152, 98400, 102240, 104796, 116440, 127800, 130995, 139728, 145550, 147600, 170400, 174660, 209592, 218325, 232880, 255600, 261990, 279456, 291100, 295200, 349320, 419184, 436650, 465760, 511200, 523980, 582200, 654975, 698640, 838368, 873300, 1047960, 1164400, 1309950, 1397280, 1746600, 2095920, 2328800, 2619900, 3493200, 4191840, 5239800, 6986400, 10479600, 20959200]

約数ペア:

[(1, 20959200), (2, 10479600), (3, 6986400), (4, 5239800), (5, 4191840), (6, 3493200), (8, 2619900), (9, 2328800), (10, 2095920), (12, 1746600), (15, 1397280), (16, 1309950), (18, 1164400), (20, 1047960), (24, 873300), (25, 838368), (30, 698640), (32, 654975), (36, 582200), (40, 523980), (41, 511200), (45, 465760), (48, 436650), (50, 419184), (60, 349320), (71, 295200), (72, 291100), (75, 279456), (80, 261990), (82, 255600), (90, 232880), (96, 218325), (100, 209592), (120, 174660), (123, 170400), (142, 147600), (144, 145550), (150, 139728), (160, 130995), (164, 127800), (180, 116440), (200, 104796), (205, 102240), (213, 98400), (225, 93152), (240, 87330), (246, 85200), (284, 73800), (288, 72775), (300, 69864), (328, 63900), (355, 59040), (360, 58220), (369, 56800), (400, 52398), (410, 51120), (426, 49200), (450, 46576), (480, 43665), (492, 42600), (568, 36900), (600, 34932), (615, 34080), (639, 32800), (656, 31950), (710, 29520), (720, 29110), (738, 28400), (800, 26199), (820, 25560), (852, 24600), (900, 23288), (984, 21300), (1025, 20448), (1065, 19680), (1136, 18450), (1200, 17466), (1230, 17040), (1278, 16400), (1312, 15975), (1420, 14760), (1440, 14555), (1476, 14200), (1640, 12780), (1704, 12300), (1775, 11808), (1800, 11644), (1845, 11360), (1968, 10650), (2050, 10224), (2130, 9840), (2272, 9225), (2400, 8733), (2460, 8520), (2556, 8200), (2840, 7380), (2911, 7200), (2952, 7100), (3075, 6816), (3195, 6560), (3280, 6390), (3408, 6150), (3550, 5904), (3600, 5822), (3690, 5680), (3936, 5325), (4100, 5112), (4260, 4920)]