20958224

素因数分解:

$2^4\times 7^1\times {\mathrm{187127}}^1$

素因数の和:187142

約数の個数: 20

約数和(自身を含む): 46407744

約数和(自身を除く): 25449520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187127, 374254, 748508, 1309889, 1497016, 2619778, 2994032, 5239556, 10479112, 20958224]

約数ペア:

[(1, 20958224), (2, 10479112), (4, 5239556), (7, 2994032), (8, 2619778), (14, 1497016), (16, 1309889), (28, 748508), (56, 374254), (112, 187127)]