20462520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 66538800

約数和(自身を除く): 46076280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1009, 1014, 1352, 1560, 1690, 2018, 2028, 2535, 3027, 3380, 4036, 4056, 5045, 5070, 6054, 6760, 8072, 10090, 10140, 12108, 13117, 15135, 20180, 20280, 24216, 26234, 30270, 39351, 40360, 52468, 60540, 65585, 78702, 104936, 121080, 131170, 157404, 170521, 196755, 262340, 314808, 341042, 393510, 511563, 524680, 682084, 787020, 852605, 1023126, 1364168, 1574040, 1705210, 2046252, 2557815, 3410420, 4092504, 5115630, 6820840, 10231260, 20462520]

約数ペア:

[(1, 20462520), (2, 10231260), (3, 6820840), (4, 5115630), (5, 4092504), (6, 3410420), (8, 2557815), (10, 2046252), (12, 1705210), (13, 1574040), (15, 1364168), (20, 1023126), (24, 852605), (26, 787020), (30, 682084), (39, 524680), (40, 511563), (52, 393510), (60, 341042), (65, 314808), (78, 262340), (104, 196755), (120, 170521), (130, 157404), (156, 131170), (169, 121080), (195, 104936), (260, 78702), (312, 65585), (338, 60540), (390, 52468), (507, 40360), (520, 39351), (676, 30270), (780, 26234), (845, 24216), (1009, 20280), (1014, 20180), (1352, 15135), (1560, 13117), (1690, 12108), (2018, 10140), (2028, 10090), (2535, 8072), (3027, 6760), (3380, 6054), (4036, 5070), (4056, 5045)]