20963684

素因数分解:

$2^2\times 7^1\times {\mathrm{748703}}^1$

素因数の和:748714

約数の個数: 12

約数和(自身を含む): 41927424

約数和(自身を除く): 20963740

約数列:

[1, 2, 4, 7, 14, 28, 748703, 1497406, 2994812, 5240921, 10481842, 20963684]

約数ペア:

[(1, 20963684), (2, 10481842), (4, 5240921), (7, 2994812), (14, 1497406), (28, 748703)]