15690961420

素因数分解:

$2^2\times 5^1\times {\mathrm{784548071}}^1$

素因数の和:784548080

約数の個数: 12

約数和(自身を含む): 32951019024

約数和(自身を除く): 17260057604

約数列:

[1, 2, 4, 5, 10, 20, 784548071, 1569096142, 3138192284, 3922740355, 7845480710, 15690961420]

約数ペア:

[(1, 15690961420), (2, 7845480710), (4, 3922740355), (5, 3138192284), (10, 1569096142), (20, 784548071)]