20970290975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{4441}}^1\times {\mathrm{9941}}^1$

素因数の和:14411

約数の個数: 24

約数和(自身を含む): 27380665680

約数和(自身を除く): 6410374705

約数列:

[1, 5, 19, 25, 95, 475, 4441, 9941, 22205, 49705, 84379, 111025, 188879, 248525, 421895, 944395, 2109475, 4721975, 44147981, 220739905, 838811639, 1103699525, 4194058195, 20970290975]

約数ペア:

[(1, 20970290975), (5, 4194058195), (19, 1103699525), (25, 838811639), (95, 220739905), (475, 44147981), (4441, 4721975), (9941, 2109475), (22205, 944395), (49705, 421895), (84379, 248525), (111025, 188879)]