20107851518

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{210109}}^1$

素因数の和:210659

約数の個数: 16

約数和(自身を含む): 30507972000

約数和(自身を除く): 10400120482

約数列:

[1, 2, 109, 218, 439, 878, 47851, 95702, 210109, 420218, 22901881, 45803762, 92237851, 184475702, 10053925759, 20107851518]

約数ペア:

[(1, 20107851518), (2, 10053925759), (109, 184475702), (218, 92237851), (439, 45803762), (878, 22901881), (47851, 420218), (95702, 210109)]