20128012

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{44531}}^1$

素因数の和:44648

約数の個数: 12

約数和(自身を含む): 35536536

約数和(自身を除く): 15408524

約数列:

[1, 2, 4, 113, 226, 452, 44531, 89062, 178124, 5032003, 10064006, 20128012]

約数ペア:

[(1, 20128012), (2, 10064006), (4, 5032003), (113, 178124), (226, 89062), (452, 44531)]