20163702820

素因数分解:

$2^2\times 5^1\times {\mathrm{3187}}^1\times {\mathrm{316343}}^1$

素因数の和:319539

約数の個数: 24

約数和(自身を含む): 42357196224

約数和(自身を除く): 22193493404

約数列:

[1, 2, 4, 5, 10, 20, 3187, 6374, 12748, 15935, 31870, 63740, 316343, 632686, 1265372, 1581715, 3163430, 6326860, 1008185141, 2016370282, 4032740564, 5040925705, 10081851410, 20163702820]

約数ペア:

[(1, 20163702820), (2, 10081851410), (4, 5040925705), (5, 4032740564), (10, 2016370282), (20, 1008185141), (3187, 6326860), (6374, 3163430), (12748, 1581715), (15935, 1265372), (31870, 632686), (63740, 316343)]