20059403

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1609}}^1$

素因数の和:1766

約数の個数: 16

約数和(自身を含む): 24884160

約数和(自身を除く): 4824757

約数列:

[1, 7, 13, 91, 137, 959, 1609, 1781, 11263, 12467, 20917, 146419, 220433, 1543031, 2865629, 20059403]

約数ペア:

[(1, 20059403), (7, 2865629), (13, 1543031), (91, 220433), (137, 146419), (959, 20917), (1609, 12467), (1781, 11263)]