20706486

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 43469568

約数和(自身を除く): 22763082

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 227, 454, 661, 681, 1322, 1362, 1983, 3966, 5221, 10442, 15203, 15663, 30406, 31326, 45609, 91218, 150047, 300094, 450141, 900282, 3451081, 6902162, 10353243, 20706486]

約数ペア:

[(1, 20706486), (2, 10353243), (3, 6902162), (6, 3451081), (23, 900282), (46, 450141), (69, 300094), (138, 150047), (227, 91218), (454, 45609), (661, 31326), (681, 30406), (1322, 15663), (1362, 15203), (1983, 10442), (3966, 5221)]