154392020

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{6271}}^1$

素因数の和:7511

約数の個数: 24

約数和(自身を含む): 324538368

約数和(自身を除く): 170146348

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 4924, 6155, 6271, 12310, 12542, 24620, 25084, 31355, 62710, 125420, 7719601, 15439202, 30878404, 38598005, 77196010, 154392020]

約数ペア:

[(1, 154392020), (2, 77196010), (4, 38598005), (5, 30878404), (10, 15439202), (20, 7719601), (1231, 125420), (2462, 62710), (4924, 31355), (6155, 25084), (6271, 24620), (12310, 12542)]