31920820

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1447}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 67140864

約数和(自身を除く): 35220044

約数列:

[1, 2, 4, 5, 10, 20, 1103, 1447, 2206, 2894, 4412, 5515, 5788, 7235, 11030, 14470, 22060, 28940, 1596041, 3192082, 6384164, 7980205, 15960410, 31920820]

約数ペア:

[(1, 31920820), (2, 15960410), (4, 7980205), (5, 6384164), (10, 3192082), (20, 1596041), (1103, 28940), (1447, 22060), (2206, 14470), (2894, 11030), (4412, 7235), (5515, 5788)]