13335220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9391}}^1$

素因数の和:9471

約数の個数: 24

約数和(自身を含む): 28401408

約数和(自身を除く): 15066188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9391, 18782, 37564, 46955, 93910, 187820, 666761, 1333522, 2667044, 3333805, 6667610, 13335220]

約数ペア:

[(1, 13335220), (2, 6667610), (4, 3333805), (5, 2667044), (10, 1333522), (20, 666761), (71, 187820), (142, 93910), (284, 46955), (355, 37564), (710, 18782), (1420, 9391)]