20996628

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7321}}^1$

素因数の和:7567

約数の個数: 24

約数和(自身を含む): 49203840

約数和(自身を除く): 28207212

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7321, 14642, 21963, 29284, 43926, 87852, 1749719, 3499438, 5249157, 6998876, 10498314, 20996628]

約数ペア:

[(1, 20996628), (2, 10498314), (3, 6998876), (4, 5249157), (6, 3499438), (12, 1749719), (239, 87852), (478, 43926), (717, 29284), (956, 21963), (1434, 14642), (2868, 7321)]