13965220

素因数分解:

$2^2\times 5^1\times {\mathrm{698261}}^1$

素因数の和:698270

約数の個数: 12

約数和(自身を含む): 29327004

約数和(自身を除く): 15361784

約数列:

[1, 2, 4, 5, 10, 20, 698261, 1396522, 2793044, 3491305, 6982610, 13965220]

約数ペア:

[(1, 13965220), (2, 6982610), (4, 3491305), (5, 2793044), (10, 1396522), (20, 698261)]