20808329188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3873479}}^1$

素因数の和:3873579

約数の個数: 24

約数和(自身を含む): 39044678400

約数和(自身を除く): 18236349212

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 5372, 3873479, 7746958, 15493916, 65849143, 131698286, 263396572, 306004841, 612009682, 1224019364, 5202082297, 10404164594, 20808329188]

約数ペア:

[(1, 20808329188), (2, 10404164594), (4, 5202082297), (17, 1224019364), (34, 612009682), (68, 306004841), (79, 263396572), (158, 131698286), (316, 65849143), (1343, 15493916), (2686, 7746958), (5372, 3873479)]