20474018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 24

約数和(自身を含む): 33260868

約数和(自身を除く): 12786850

約数列:

[1, 2, 17, 34, 73, 113, 146, 226, 1241, 1921, 2482, 3842, 5329, 8249, 10658, 16498, 90593, 140233, 181186, 280466, 602177, 1204354, 10237009, 20474018]

約数ペア:

[(1, 20474018), (2, 10237009), (17, 1204354), (34, 602177), (73, 280466), (113, 181186), (146, 140233), (226, 90593), (1241, 16498), (1921, 10658), (2482, 8249), (3842, 5329)]