20650427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1789}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 25260480

約数和(自身を除く): 4610053

約数列:

[1, 7, 17, 97, 119, 679, 1649, 1789, 11543, 12523, 30413, 173533, 212891, 1214731, 2950061, 20650427]

約数ペア:

[(1, 20650427), (7, 2950061), (17, 1214731), (97, 212891), (119, 173533), (679, 30413), (1649, 12523), (1789, 11543)]