20571222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489791}}^1$

素因数の和:489803

約数の個数: 16

約数和(自身を含む): 47020032

約数和(自身を除く): 26448810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489791, 979582, 1469373, 2938746, 3428537, 6857074, 10285611, 20571222]

約数ペア:

[(1, 20571222), (2, 10285611), (3, 6857074), (6, 3428537), (7, 2938746), (14, 1469373), (21, 979582), (42, 489791)]