20481910605

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1842727}}^1$

素因数の和:1842770

約数の個数: 48

約数和(自身を含む): 40245179520

約数和(自身を除く): 19763268915

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 1842727, 5528181, 9213635, 16584543, 23955451, 27640905, 35011813, 71866353, 82922715, 105035439, 119777255, 175059065, 215599059, 315106317, 359331765, 455153569, 525177195, 1077995295, 1365460707, 1575531585, 2275767845, 4096382121, 6827303535, 20481910605]

約数ペア:

[(1, 20481910605), (3, 6827303535), (5, 4096382121), (9, 2275767845), (13, 1575531585), (15, 1365460707), (19, 1077995295), (39, 525177195), (45, 455153569), (57, 359331765), (65, 315106317), (95, 215599059), (117, 175059065), (171, 119777255), (195, 105035439), (247, 82922715), (285, 71866353), (585, 35011813), (741, 27640905), (855, 23955451), (1235, 16584543), (2223, 9213635), (3705, 5528181), (11115, 1842727)]