20188091390

素因数分解:

$2^1\times 5^1\times {\mathrm{8231}}^1\times {\mathrm{245269}}^1$

素因数の和:253507

約数の個数: 16

約数和(自身を含む): 36343127520

約数和(自身を除く): 16155036130

約数列:

[1, 2, 5, 10, 8231, 16462, 41155, 82310, 245269, 490538, 1226345, 2452690, 2018809139, 4037618278, 10094045695, 20188091390]

約数ペア:

[(1, 20188091390), (2, 10094045695), (5, 4037618278), (10, 2018809139), (8231, 2452690), (16462, 1226345), (41155, 490538), (82310, 245269)]