20163055480

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1\times {\mathrm{2027}}^1$

素因数の和:3856

約数の個数: 64

約数和(自身を含む): 45721260000

約数和(自身を除く): 25558204520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 1669, 2027, 2980, 3338, 4054, 5960, 6676, 8108, 8345, 10135, 13352, 16216, 16690, 20270, 33380, 40540, 66760, 81080, 248681, 302023, 497362, 604046, 994724, 1208092, 1243405, 1510115, 1989448, 2416184, 2486810, 3020230, 3383063, 4973620, 6040460, 6766126, 9947240, 12080920, 13532252, 16915315, 27064504, 33830630, 67661260, 135322520, 504076387, 1008152774, 2016305548, 2520381935, 4032611096, 5040763870, 10081527740, 20163055480]

約数ペア:

[(1, 20163055480), (2, 10081527740), (4, 5040763870), (5, 4032611096), (8, 2520381935), (10, 2016305548), (20, 1008152774), (40, 504076387), (149, 135322520), (298, 67661260), (596, 33830630), (745, 27064504), (1192, 16915315), (1490, 13532252), (1669, 12080920), (2027, 9947240), (2980, 6766126), (3338, 6040460), (4054, 4973620), (5960, 3383063), (6676, 3020230), (8108, 2486810), (8345, 2416184), (10135, 1989448), (13352, 1510115), (16216, 1243405), (16690, 1208092), (20270, 994724), (33380, 604046), (40540, 497362), (66760, 302023), (81080, 248681)]