20178496045

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{271}}^1\times {\mathrm{28151}}^1$

素因数の和:28473

約数の個数: 24

約数和(自身を含む): 25407067392

約数和(自身を除く): 5228571347

約数列:

[1, 5, 23, 115, 271, 529, 1355, 2645, 6233, 28151, 31165, 140755, 143359, 647473, 716795, 3237365, 7628921, 14891879, 38144605, 74459395, 175465183, 877325915, 4035699209, 20178496045]

約数ペア:

[(1, 20178496045), (5, 4035699209), (23, 877325915), (115, 175465183), (271, 74459395), (529, 38144605), (1355, 14891879), (2645, 7628921), (6233, 3237365), (28151, 716795), (31165, 647473), (140755, 143359)]