20635677

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 31616000

約数和(自身を除く): 10980323

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 1999, 3441, 5997, 10323, 17991, 61969, 73963, 185907, 221889, 557721, 665667, 2292853, 6878559, 20635677]

約数ペア:

[(1, 20635677), (3, 6878559), (9, 2292853), (31, 665667), (37, 557721), (93, 221889), (111, 185907), (279, 73963), (333, 61969), (1147, 17991), (1999, 10323), (3441, 5997)]