13308086420

素因数分解:

$2^2\times 5^1\times {\mathrm{665404321}}^1$

素因数の和:665404330

約数の個数: 12

約数和(自身を含む): 27946981524

約数和(自身を除く): 14638895104

約数列:

[1, 2, 4, 5, 10, 20, 665404321, 1330808642, 2661617284, 3327021605, 6654043210, 13308086420]

約数ペア:

[(1, 13308086420), (2, 6654043210), (4, 3327021605), (5, 2661617284), (10, 1330808642), (20, 665404321)]