20125870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42821}}^1$

素因数の和:42875

約数の個数: 16

約数和(自身を含む): 36998208

約数和(自身を除く): 16872338

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42821, 85642, 214105, 428210, 2012587, 4025174, 10062935, 20125870]

約数ペア:

[(1, 20125870), (2, 10062935), (5, 4025174), (10, 2012587), (47, 428210), (94, 214105), (235, 85642), (470, 42821)]