68931820

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2281}}^1$

素因数の和:3801

約数の個数: 24

約数和(自身を含む): 144916128

約数和(自身を除く): 75984308

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2281, 3022, 4562, 6044, 7555, 9124, 11405, 15110, 22810, 30220, 45620, 3446591, 6893182, 13786364, 17232955, 34465910, 68931820]

約数ペア:

[(1, 68931820), (2, 34465910), (4, 17232955), (5, 13786364), (10, 6893182), (20, 3446591), (1511, 45620), (2281, 30220), (3022, 22810), (4562, 15110), (6044, 11405), (7555, 9124)]