20196642805

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^2\times {\mathrm{461}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 24752025144

約数和(自身を除く): 4555382339

約数列:

[1, 5, 61, 305, 379, 461, 1895, 2305, 23119, 28121, 115595, 140605, 143641, 174719, 718205, 873595, 8762101, 10657859, 43810505, 53289295, 66218501, 331092505, 4039328561, 20196642805]

約数ペア:

[(1, 20196642805), (5, 4039328561), (61, 331092505), (305, 66218501), (379, 53289295), (461, 43810505), (1895, 10657859), (2305, 8762101), (23119, 873595), (28121, 718205), (115595, 174719), (140605, 143641)]