20570508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81629}}^1$

素因数の和:81646

約数の個数: 36

約数和(自身を含む): 59426640

約数和(自身を除く): 38856132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81629, 163258, 244887, 326516, 489774, 571403, 734661, 979548, 1142806, 1469322, 1714209, 2285612, 2938644, 3428418, 5142627, 6856836, 10285254, 20570508]

約数ペア:

[(1, 20570508), (2, 10285254), (3, 6856836), (4, 5142627), (6, 3428418), (7, 2938644), (9, 2285612), (12, 1714209), (14, 1469322), (18, 1142806), (21, 979548), (28, 734661), (36, 571403), (42, 489774), (63, 326516), (84, 244887), (126, 163258), (252, 81629)]