20045995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5623}}^1$

素因数の和:5682

約数の個数: 16

約数和(自身を含む): 25915392

約数和(自身を除く): 5869397

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 5623, 28115, 129329, 174313, 646645, 871565, 4009199, 20045995]

約数ペア:

[(1, 20045995), (5, 4009199), (23, 871565), (31, 646645), (115, 174313), (155, 129329), (713, 28115), (3565, 5623)]