20164985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{911}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 5443975

約数列:

[1, 5, 19, 95, 233, 911, 1165, 4427, 4555, 17309, 22135, 86545, 212263, 1061315, 4032997, 20164985]

約数ペア:

[(1, 20164985), (5, 4032997), (19, 1061315), (95, 212263), (233, 86545), (911, 22135), (1165, 17309), (4427, 4555)]