20795845

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4993}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 30743064

約数和(自身を除く): 9947219

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 4993, 24965, 34951, 84881, 174755, 244657, 424405, 594167, 1223285, 2970835, 4159169, 20795845]

約数ペア:

[(1, 20795845), (5, 4159169), (7, 2970835), (17, 1223285), (35, 594167), (49, 424405), (85, 244657), (119, 174755), (245, 84881), (595, 34951), (833, 24965), (4165, 4993)]