20348021895

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8640349}}^1$

素因数の和:8640514

約数の個数: 16

約数和(自身を含む): 32764207200

約数和(自身を除く): 12416185305

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8640349, 25921047, 43201745, 129605235, 1356534793, 4069604379, 6782673965, 20348021895]

約数ペア:

[(1, 20348021895), (3, 6782673965), (5, 4069604379), (15, 1356534793), (157, 129605235), (471, 43201745), (785, 25921047), (2355, 8640349)]