20699390

素因数分解:

$2^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2801}}^1$

素因数の和:3547

約数の個数: 16

約数和(自身を含む): 37322640

約数和(自身を除く): 16623250

約数列:

[1, 2, 5, 10, 739, 1478, 2801, 3695, 5602, 7390, 14005, 28010, 2069939, 4139878, 10349695, 20699390]

約数ペア:

[(1, 20699390), (2, 10349695), (5, 4139878), (10, 2069939), (739, 28010), (1478, 14005), (2801, 7390), (3695, 5602)]