20215830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9491}}^1$

素因数の和:9572

約数の個数: 32

約数和(自身を含む): 49206528

約数和(自身を除く): 28990698

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9491, 18982, 28473, 47455, 56946, 94910, 142365, 284730, 673861, 1347722, 2021583, 3369305, 4043166, 6738610, 10107915, 20215830]

約数ペア:

[(1, 20215830), (2, 10107915), (3, 6738610), (5, 4043166), (6, 3369305), (10, 2021583), (15, 1347722), (30, 673861), (71, 284730), (142, 142365), (213, 94910), (355, 56946), (426, 47455), (710, 28473), (1065, 18982), (2130, 9491)]