30979420

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1873}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 65170224

約数和(自身を除く): 34190804

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 1873, 3308, 3746, 4135, 7492, 8270, 9365, 16540, 18730, 37460, 1548971, 3097942, 6195884, 7744855, 15489710, 30979420]

約数ペア:

[(1, 30979420), (2, 15489710), (4, 7744855), (5, 6195884), (10, 3097942), (20, 1548971), (827, 37460), (1654, 18730), (1873, 16540), (3308, 9365), (3746, 8270), (4135, 7492)]