13857820

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1123}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 29174544

約数和(自身を除く): 15316724

約数列:

[1, 2, 4, 5, 10, 20, 617, 1123, 1234, 2246, 2468, 3085, 4492, 5615, 6170, 11230, 12340, 22460, 692891, 1385782, 2771564, 3464455, 6928910, 13857820]

約数ペア:

[(1, 13857820), (2, 6928910), (4, 3464455), (5, 2771564), (10, 1385782), (20, 692891), (617, 22460), (1123, 12340), (1234, 11230), (2246, 6170), (2468, 5615), (3085, 4492)]