201993331580

素因数分解:

$2^2\times 5^1\times {\mathrm{10099666579}}^1$

素因数の和:10099666588

約数の個数: 12

約数和(自身を含む): 424185996360

約数和(自身を除く): 222192664780

約数列:

[1, 2, 4, 5, 10, 20, 10099666579, 20199333158, 40398666316, 50498332895, 100996665790, 201993331580]

約数ペア:

[(1, 201993331580), (2, 100996665790), (4, 50498332895), (5, 40398666316), (10, 20199333158), (20, 10099666579)]