20101271420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7672241}}^1$

素因数の和:7672381

約数の個数: 24

約数和(自身を含む): 42534909648

約数和(自身を除く): 22433638228

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7672241, 15344482, 30688964, 38361205, 76722410, 153444820, 1005063571, 2010127142, 4020254284, 5025317855, 10050635710, 20101271420]

約数ペア:

[(1, 20101271420), (2, 10050635710), (4, 5025317855), (5, 4020254284), (10, 2010127142), (20, 1005063571), (131, 153444820), (262, 76722410), (524, 38361205), (655, 30688964), (1310, 15344482), (2620, 7672241)]