20531358

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4337}}^1$

素因数の和:4608

約数の個数: 24

約数和(自身を含む): 44664048

約数和(自身を除く): 24132690

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4337, 4734, 8674, 13011, 26022, 39033, 78066, 1140631, 2281262, 3421893, 6843786, 10265679, 20531358]

約数ペア:

[(1, 20531358), (2, 10265679), (3, 6843786), (6, 3421893), (9, 2281262), (18, 1140631), (263, 78066), (526, 39033), (789, 26022), (1578, 13011), (2367, 8674), (4337, 4734)]