20192140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21481}}^1$

素因数の和:21537

約数の個数: 24

約数和(自身を含む): 43307712

約数和(自身を除く): 23115572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21481, 42962, 85924, 107405, 214810, 429620, 1009607, 2019214, 4038428, 5048035, 10096070, 20192140]

約数ペア:

[(1, 20192140), (2, 10096070), (4, 5048035), (5, 4038428), (10, 2019214), (20, 1009607), (47, 429620), (94, 214810), (188, 107405), (235, 85924), (470, 42962), (940, 21481)]