20104252

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7109}}^1$

素因数の和:7221

約数の個数: 24

約数和(自身を含む): 40612320

約数和(自身を除く): 20508068

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7109, 14218, 28436, 49763, 99526, 199052, 718009, 1436018, 2872036, 5026063, 10052126, 20104252]

約数ペア:

[(1, 20104252), (2, 10052126), (4, 5026063), (7, 2872036), (14, 1436018), (28, 718009), (101, 199052), (202, 99526), (404, 49763), (707, 28436), (1414, 14218), (2828, 7109)]