20693780

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1213}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 43543752

約数和(自身を除く): 22849972

約数列:

[1, 2, 4, 5, 10, 20, 853, 1213, 1706, 2426, 3412, 4265, 4852, 6065, 8530, 12130, 17060, 24260, 1034689, 2069378, 4138756, 5173445, 10346890, 20693780]

約数ペア:

[(1, 20693780), (2, 10346890), (4, 5173445), (5, 4138756), (10, 2069378), (20, 1034689), (853, 24260), (1213, 17060), (1706, 12130), (2426, 8530), (3412, 6065), (4265, 4852)]