20187702509

素因数分解:

${\mathrm{13}}^2\times {\mathrm{691}}^1\times {\mathrm{172871}}^1$

素因数の和:173588

約数の個数: 12

約数和(自身を含む): 21891818592

約数和(自身を除く): 1704116083

約数列:

[1, 13, 169, 691, 8983, 116779, 172871, 2247323, 29215199, 119453861, 1552900193, 20187702509]

約数ペア:

[(1, 20187702509), (13, 1552900193), (169, 119453861), (691, 29215199), (8983, 2247323), (116779, 172871)]