20889142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{829}}^1$

素因数の和:1167

約数の個数: 16

約数和(自身を含む): 32210640

約数和(自身を除く): 11321498

約数列:

[1, 2, 43, 86, 293, 586, 829, 1658, 12599, 25198, 35647, 71294, 242897, 485794, 10444571, 20889142]

約数ペア:

[(1, 20889142), (2, 10444571), (43, 485794), (86, 242897), (293, 71294), (586, 35647), (829, 25198), (1658, 12599)]