20051219810

素因数分解:

$2^1\times 5^1\times {\mathrm{31643}}^1\times {\mathrm{63367}}^1$

素因数の和:95017

約数の個数: 16

約数和(自身を含む): 36093905856

約数和(自身を除く): 16042686046

約数列:

[1, 2, 5, 10, 31643, 63286, 63367, 126734, 158215, 316430, 316835, 633670, 2005121981, 4010243962, 10025609905, 20051219810]

約数ペア:

[(1, 20051219810), (2, 10025609905), (5, 4010243962), (10, 2005121981), (31643, 633670), (63286, 316835), (63367, 316430), (126734, 158215)]