12175420

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{881}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 25634448

約数和(自身を除く): 13459028

約数列:

[1, 2, 4, 5, 10, 20, 691, 881, 1382, 1762, 2764, 3455, 3524, 4405, 6910, 8810, 13820, 17620, 608771, 1217542, 2435084, 3043855, 6087710, 12175420]

約数ペア:

[(1, 12175420), (2, 6087710), (4, 3043855), (5, 2435084), (10, 1217542), (20, 608771), (691, 17620), (881, 13820), (1382, 8810), (1762, 6910), (2764, 4405), (3455, 3524)]