15694808020

素因数分解:

$2^2\times 5^1\times {\mathrm{784740401}}^1$

素因数の和:784740410

約数の個数: 12

約数和(自身を含む): 32959096884

約数和(自身を除く): 17264288864

約数列:

[1, 2, 4, 5, 10, 20, 784740401, 1569480802, 3138961604, 3923702005, 7847404010, 15694808020]

約数ペア:

[(1, 15694808020), (2, 7847404010), (4, 3923702005), (5, 3138961604), (10, 1569480802), (20, 784740401)]