20659734

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2203}}^1$

素因数の和:2732

約数の個数: 24

約数和(自身を含む): 44869032

約数和(自身を除く): 24209298

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 2203, 3126, 4406, 4689, 6609, 9378, 13218, 19827, 39654, 1147763, 2295526, 3443289, 6886578, 10329867, 20659734]

約数ペア:

[(1, 20659734), (2, 10329867), (3, 6886578), (6, 3443289), (9, 2295526), (18, 1147763), (521, 39654), (1042, 19827), (1563, 13218), (2203, 9378), (3126, 6609), (4406, 4689)]