20120865

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7411}}^1$

素因数の和:7600

約数の個数: 16

約数和(自身を含む): 32375616

約数和(自身を除く): 12254751

約数列:

[1, 3, 5, 15, 181, 543, 905, 2715, 7411, 22233, 37055, 111165, 1341391, 4024173, 6706955, 20120865]

約数ペア:

[(1, 20120865), (3, 6706955), (5, 4024173), (15, 1341391), (181, 111165), (543, 37055), (905, 22233), (2715, 7411)]