20035137020

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3564971}}^1$

素因数の和:3565261

約数の個数: 24

約数和(自身を含む): 42223528368

約数和(自身を除く): 22188391348

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 3564971, 7129942, 14259884, 17824855, 35649710, 71299420, 1001756851, 2003513702, 4007027404, 5008784255, 10017568510, 20035137020]

約数ペア:

[(1, 20035137020), (2, 10017568510), (4, 5008784255), (5, 4007027404), (10, 2003513702), (20, 1001756851), (281, 71299420), (562, 35649710), (1124, 17824855), (1405, 14259884), (2810, 7129942), (5620, 3564971)]