20161502060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{359129}}^1$

素因数の和:359546

約数の個数: 48

約数和(自身を含む): 48508407360

約数和(自身を除く): 28346905300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 4010, 5614, 8020, 11228, 14035, 28070, 56140, 359129, 718258, 1436516, 1795645, 2513903, 3591290, 5027806, 7182580, 10055612, 12569515, 25139030, 50278060, 144010729, 288021458, 576042916, 720053645, 1008075103, 1440107290, 2016150206, 2880214580, 4032300412, 5040375515, 10080751030, 20161502060]

約数ペア:

[(1, 20161502060), (2, 10080751030), (4, 5040375515), (5, 4032300412), (7, 2880214580), (10, 2016150206), (14, 1440107290), (20, 1008075103), (28, 720053645), (35, 576042916), (70, 288021458), (140, 144010729), (401, 50278060), (802, 25139030), (1604, 12569515), (2005, 10055612), (2807, 7182580), (4010, 5027806), (5614, 3591290), (8020, 2513903), (11228, 1795645), (14035, 1436516), (28070, 718258), (56140, 359129)]