20895468

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 32568852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 311, 509, 622, 933, 1018, 1244, 1527, 1866, 2036, 3054, 3421, 3732, 5599, 6108, 6842, 10263, 11198, 13684, 16797, 20526, 22396, 33594, 41052, 67188, 158299, 316598, 474897, 633196, 949794, 1741289, 1899588, 3482578, 5223867, 6965156, 10447734, 20895468]

約数ペア:

[(1, 20895468), (2, 10447734), (3, 6965156), (4, 5223867), (6, 3482578), (11, 1899588), (12, 1741289), (22, 949794), (33, 633196), (44, 474897), (66, 316598), (132, 158299), (311, 67188), (509, 41052), (622, 33594), (933, 22396), (1018, 20526), (1244, 16797), (1527, 13684), (1866, 11198), (2036, 10263), (3054, 6842), (3421, 6108), (3732, 5599)]