20335757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5065843

約数列:

[1, 13, 17, 19, 29, 167, 221, 247, 323, 377, 493, 551, 2171, 2839, 3173, 4199, 4843, 6409, 7163, 9367, 36907, 41249, 53941, 62959, 82331, 92017, 121771, 701233, 1070303, 1196221, 1564289, 20335757]

約数ペア:

[(1, 20335757), (13, 1564289), (17, 1196221), (19, 1070303), (29, 701233), (167, 121771), (221, 92017), (247, 82331), (323, 62959), (377, 53941), (493, 41249), (551, 36907), (2171, 9367), (2839, 7163), (3173, 6409), (4199, 4843)]