20986044

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{16979}}^1$

素因数の和:17089

約数の個数: 24

約数和(自身を含む): 49445760

約数和(自身を除く): 28459716

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 16979, 33958, 50937, 67916, 101874, 203748, 1748837, 3497674, 5246511, 6995348, 10493022, 20986044]

約数ペア:

[(1, 20986044), (2, 10493022), (3, 6995348), (4, 5246511), (6, 3497674), (12, 1748837), (103, 203748), (206, 101874), (309, 67916), (412, 50937), (618, 33958), (1236, 16979)]