20128960

素因数分解:

$2^6\times 5^1\times {\mathrm{62903}}^1$

素因数の和:62920

約数の個数: 28

約数和(自身を含む): 47932848

約数和(自身を除く): 27803888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62903, 125806, 251612, 314515, 503224, 629030, 1006448, 1258060, 2012896, 2516120, 4025792, 5032240, 10064480, 20128960]

約数ペア:

[(1, 20128960), (2, 10064480), (4, 5032240), (5, 4025792), (8, 2516120), (10, 2012896), (16, 1258060), (20, 1006448), (32, 629030), (40, 503224), (64, 314515), (80, 251612), (160, 125806), (320, 62903)]