20456657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2223343

約数列:

[1, 13, 59, 149, 179, 767, 1937, 2327, 8791, 10561, 26671, 114283, 137293, 346723, 1573589, 20456657]

約数ペア:

[(1, 20456657), (13, 1573589), (59, 346723), (149, 137293), (179, 114283), (767, 26671), (1937, 10561), (2327, 8791)]