20193889261

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{84089}}^1$

素因数の和:84158

約数の個数: 36

約数和(自身を含む): 26314283700

約数和(自身を除く): 6120394439

約数列:

[1, 7, 13, 29, 49, 91, 169, 203, 377, 637, 1183, 1421, 2639, 4901, 8281, 18473, 34307, 84089, 240149, 588623, 1093157, 2438581, 4120361, 7652099, 14211041, 17070067, 31701553, 53564693, 99477287, 119490469, 221910871, 412120189, 696341009, 1553376097, 2884841323, 20193889261]

約数ペア:

[(1, 20193889261), (7, 2884841323), (13, 1553376097), (29, 696341009), (49, 412120189), (91, 221910871), (169, 119490469), (203, 99477287), (377, 53564693), (637, 31701553), (1183, 17070067), (1421, 14211041), (2639, 7652099), (4901, 4120361), (8281, 2438581), (18473, 1093157), (34307, 588623), (84089, 240149)]