20712490

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13901}}^1$

素因数の和:14057

約数の個数: 16

約数和(自身を含む): 37535400

約数和(自身を除く): 16822910

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13901, 27802, 69505, 139010, 2071249, 4142498, 10356245, 20712490]

約数ペア:

[(1, 20712490), (2, 10356245), (5, 4142498), (10, 2071249), (149, 139010), (298, 69505), (745, 27802), (1490, 13901)]