20340287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2521153

約数列:

[1, 11, 53, 139, 251, 583, 1529, 2761, 7367, 13303, 34889, 81037, 146333, 383779, 1849117, 20340287]

約数ペア:

[(1, 20340287), (11, 1849117), (53, 383779), (139, 146333), (251, 81037), (583, 34889), (1529, 13303), (2761, 7367)]