20512202060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1344181}}^1$

素因数の和:1344306

約数の個数: 48

約数和(自身を含む): 49680966720

約数和(自身を除く): 29168764660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 1344181, 2688362, 5376724, 6720905, 9409267, 13441810, 18818534, 26883620, 37637068, 47046335, 94092670, 146515729, 188185340, 293031458, 586062916, 732578645, 1025610103, 1465157290, 2051220206, 2930314580, 4102440412, 5128050515, 10256101030, 20512202060]

約数ペア:

[(1, 20512202060), (2, 10256101030), (4, 5128050515), (5, 4102440412), (7, 2930314580), (10, 2051220206), (14, 1465157290), (20, 1025610103), (28, 732578645), (35, 586062916), (70, 293031458), (109, 188185340), (140, 146515729), (218, 94092670), (436, 47046335), (545, 37637068), (763, 26883620), (1090, 18818534), (1526, 13441810), (2180, 9409267), (3052, 6720905), (3815, 5376724), (7630, 2688362), (15260, 1344181)]