2020100165

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{77951}}^1$

素因数の和:78100

約数の個数: 16

約数和(自身を含む): 2491969536

約数和(自身を除く): 471869371

約数列:

[1, 5, 71, 73, 355, 365, 5183, 25915, 77951, 389755, 5534521, 5690423, 27672605, 28452115, 404020033, 2020100165]

約数ペア:

[(1, 2020100165), (5, 404020033), (71, 28452115), (73, 27672605), (355, 5690423), (365, 5534521), (5183, 389755), (25915, 77951)]