20075180

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1319}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 42245280

約数和(自身を除く): 22170100

約数列:

[1, 2, 4, 5, 10, 20, 761, 1319, 1522, 2638, 3044, 3805, 5276, 6595, 7610, 13190, 15220, 26380, 1003759, 2007518, 4015036, 5018795, 10037590, 20075180]

約数ペア:

[(1, 20075180), (2, 10037590), (4, 5018795), (5, 4015036), (10, 2007518), (20, 1003759), (761, 26380), (1319, 15220), (1522, 13190), (2638, 7610), (3044, 6595), (3805, 5276)]