20199778850

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2906443}}^1$

素因数の和:2906594

約数の個数: 24

約数和(自身を含む): 37841900880

約数和(自身を除く): 17642122030

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 2906443, 5812886, 14532215, 29064430, 72661075, 145322150, 403995577, 807991154, 2019977885, 4039955770, 10099889425, 20199778850]

約数ペア:

[(1, 20199778850), (2, 10099889425), (5, 4039955770), (10, 2019977885), (25, 807991154), (50, 403995577), (139, 145322150), (278, 72661075), (695, 29064430), (1390, 14532215), (3475, 5812886), (6950, 2906443)]