20020710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 49374288

約数和(自身を除く): 29353578

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 397, 410, 615, 794, 1191, 1230, 1681, 1985, 2382, 3362, 3970, 5043, 5955, 8405, 10086, 11910, 16277, 16810, 25215, 32554, 48831, 50430, 81385, 97662, 162770, 244155, 488310, 667357, 1334714, 2002071, 3336785, 4004142, 6673570, 10010355, 20020710]

約数ペア:

[(1, 20020710), (2, 10010355), (3, 6673570), (5, 4004142), (6, 3336785), (10, 2002071), (15, 1334714), (30, 667357), (41, 488310), (82, 244155), (123, 162770), (205, 97662), (246, 81385), (397, 50430), (410, 48831), (615, 32554), (794, 25215), (1191, 16810), (1230, 16277), (1681, 11910), (1985, 10086), (2382, 8405), (3362, 5955), (3970, 5043)]