20515755169

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{190573}}^1$

素因数の和:190626

約数の個数: 24

約数和(自身を含む): 25853268840

約数和(自身を除く): 5337513671

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2197, 8281, 15379, 107653, 190573, 1334011, 2477449, 9338077, 17342143, 32206837, 121395001, 225447859, 418688881, 1578135013, 2930822167, 20515755169]

約数ペア:

[(1, 20515755169), (7, 2930822167), (13, 1578135013), (49, 418688881), (91, 225447859), (169, 121395001), (637, 32206837), (1183, 17342143), (2197, 9338077), (8281, 2477449), (15379, 1334011), (107653, 190573)]