14390020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1381}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 30298968

約数和(自身を除く): 15908948

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1381, 2084, 2605, 2762, 5210, 5524, 6905, 10420, 13810, 27620, 719501, 1439002, 2878004, 3597505, 7195010, 14390020]

約数ペア:

[(1, 14390020), (2, 7195010), (4, 3597505), (5, 2878004), (10, 1439002), (20, 719501), (521, 27620), (1042, 13810), (1381, 10420), (2084, 6905), (2605, 5524), (2762, 5210)]