20589360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{709}}^1$

素因数の和:747

約数の個数: 120

約数和(自身を含む): 70255920

約数和(自身を除く): 49666560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 709, 726, 880, 968, 1210, 1320, 1418, 1452, 1815, 1936, 2127, 2420, 2640, 2836, 2904, 3545, 3630, 4254, 4840, 5672, 5808, 7090, 7260, 7799, 8508, 9680, 10635, 11344, 14180, 14520, 15598, 17016, 21270, 23397, 28360, 29040, 31196, 34032, 38995, 42540, 46794, 56720, 62392, 77990, 85080, 85789, 93588, 116985, 124784, 155980, 170160, 171578, 187176, 233970, 257367, 311960, 343156, 374352, 428945, 467940, 514734, 623920, 686312, 857890, 935880, 1029468, 1286835, 1372624, 1715780, 1871760, 2058936, 2573670, 3431560, 4117872, 5147340, 6863120, 10294680, 20589360]

約数ペア:

[(1, 20589360), (2, 10294680), (3, 6863120), (4, 5147340), (5, 4117872), (6, 3431560), (8, 2573670), (10, 2058936), (11, 1871760), (12, 1715780), (15, 1372624), (16, 1286835), (20, 1029468), (22, 935880), (24, 857890), (30, 686312), (33, 623920), (40, 514734), (44, 467940), (48, 428945), (55, 374352), (60, 343156), (66, 311960), (80, 257367), (88, 233970), (110, 187176), (120, 171578), (121, 170160), (132, 155980), (165, 124784), (176, 116985), (220, 93588), (240, 85789), (242, 85080), (264, 77990), (330, 62392), (363, 56720), (440, 46794), (484, 42540), (528, 38995), (605, 34032), (660, 31196), (709, 29040), (726, 28360), (880, 23397), (968, 21270), (1210, 17016), (1320, 15598), (1418, 14520), (1452, 14180), (1815, 11344), (1936, 10635), (2127, 9680), (2420, 8508), (2640, 7799), (2836, 7260), (2904, 7090), (3545, 5808), (3630, 5672), (4254, 4840)]