20157804

素因数分解:

$2^2\times 3^2\times {\mathrm{559939}}^1$

素因数の和:559949

約数の個数: 18

約数和(自身を含む): 50954540

約数和(自身を除く): 30796736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 559939, 1119878, 1679817, 2239756, 3359634, 5039451, 6719268, 10078902, 20157804]

約数ペア:

[(1, 20157804), (2, 10078902), (3, 6719268), (4, 5039451), (6, 3359634), (9, 2239756), (12, 1679817), (18, 1119878), (36, 559939)]