20356156960

素因数分解:

$2^5\times 5^1\times {\mathrm{127225981}}^1$

素因数の和:127225996

約数の個数: 24

約数和(自身を含む): 48091421196

約数和(自身を除く): 27735264236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127225981, 254451962, 508903924, 636129905, 1017807848, 1272259810, 2035615696, 2544519620, 4071231392, 5089039240, 10178078480, 20356156960]

約数ペア:

[(1, 20356156960), (2, 10178078480), (4, 5089039240), (5, 4071231392), (8, 2544519620), (10, 2035615696), (16, 1272259810), (20, 1017807848), (32, 636129905), (40, 508903924), (80, 254451962), (160, 127225981)]