20917608

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20269}}^1$

素因数の和:20321

約数の個数: 32

約数和(自身を含む): 53512800

約数和(自身を除く): 32595192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20269, 40538, 60807, 81076, 121614, 162152, 243228, 486456, 871567, 1743134, 2614701, 3486268, 5229402, 6972536, 10458804, 20917608]

約数ペア:

[(1, 20917608), (2, 10458804), (3, 6972536), (4, 5229402), (6, 3486268), (8, 2614701), (12, 1743134), (24, 871567), (43, 486456), (86, 243228), (129, 162152), (172, 121614), (258, 81076), (344, 60807), (516, 40538), (1032, 20269)]