20676591

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2237}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 32585280

約数和(自身を除く): 11908689

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2237, 3081, 6711, 9243, 20133, 29081, 87243, 176723, 261729, 530169, 1590507, 2297399, 6892197, 20676591]

約数ペア:

[(1, 20676591), (3, 6892197), (9, 2297399), (13, 1590507), (39, 530169), (79, 261729), (117, 176723), (237, 87243), (711, 29081), (1027, 20133), (2237, 9243), (3081, 6711)]