20374810

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5081}}^1$

素因数の和:5489

約数の個数: 16

約数和(自身を含む): 36773352

約数和(自身を除く): 16398542

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 5081, 10162, 25405, 50810, 2037481, 4074962, 10187405, 20374810]

約数ペア:

[(1, 20374810), (2, 10187405), (5, 4074962), (10, 2037481), (401, 50810), (802, 25405), (2005, 10162), (4010, 5081)]