20065945

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 24860160

約数和(自身を除く): 4794215

約数列:

[1, 5, 47, 103, 235, 515, 829, 4145, 4841, 24205, 38963, 85387, 194815, 426935, 4013189, 20065945]

約数ペア:

[(1, 20065945), (5, 4013189), (47, 426935), (103, 194815), (235, 85387), (515, 38963), (829, 24205), (4145, 4841)]