20185912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28351}}^1$

素因数の和:28446

約数の個数: 16

約数和(自身を含む): 38275200

約数和(自身を除く): 18089288

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28351, 56702, 113404, 226808, 2523239, 5046478, 10092956, 20185912]

約数ペア:

[(1, 20185912), (2, 10092956), (4, 5046478), (8, 2523239), (89, 226808), (178, 113404), (356, 56702), (712, 28351)]