20079510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 53374464

約数和(自身を除く): 33294954

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 857, 1065, 1562, 1714, 2130, 2343, 2571, 3905, 4285, 4686, 5142, 7810, 8570, 9427, 11715, 12855, 18854, 23430, 25710, 28281, 47135, 56562, 60847, 94270, 121694, 141405, 182541, 282810, 304235, 365082, 608470, 669317, 912705, 1338634, 1825410, 2007951, 3346585, 4015902, 6693170, 10039755, 20079510]

約数ペア:

[(1, 20079510), (2, 10039755), (3, 6693170), (5, 4015902), (6, 3346585), (10, 2007951), (11, 1825410), (15, 1338634), (22, 912705), (30, 669317), (33, 608470), (55, 365082), (66, 304235), (71, 282810), (110, 182541), (142, 141405), (165, 121694), (213, 94270), (330, 60847), (355, 56562), (426, 47135), (710, 28281), (781, 25710), (857, 23430), (1065, 18854), (1562, 12855), (1714, 11715), (2130, 9427), (2343, 8570), (2571, 7810), (3905, 5142), (4285, 4686)]