20171246520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{438887}}^1$

素因数の和:439284

約数の個数: 64

約数和(自身を含む): 60671877120

約数和(自身を除く): 40500630600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 766, 1149, 1532, 1915, 2298, 3064, 3830, 4596, 5745, 7660, 9192, 11490, 15320, 22980, 45960, 438887, 877774, 1316661, 1755548, 2194435, 2633322, 3511096, 4388870, 5266644, 6583305, 8777740, 10533288, 13166610, 17555480, 26333220, 52666440, 168093721, 336187442, 504281163, 672374884, 840468605, 1008562326, 1344749768, 1680937210, 2017124652, 2521405815, 3361874420, 4034249304, 5042811630, 6723748840, 10085623260, 20171246520]

約数ペア:

[(1, 20171246520), (2, 10085623260), (3, 6723748840), (4, 5042811630), (5, 4034249304), (6, 3361874420), (8, 2521405815), (10, 2017124652), (12, 1680937210), (15, 1344749768), (20, 1008562326), (24, 840468605), (30, 672374884), (40, 504281163), (60, 336187442), (120, 168093721), (383, 52666440), (766, 26333220), (1149, 17555480), (1532, 13166610), (1915, 10533288), (2298, 8777740), (3064, 6583305), (3830, 5266644), (4596, 4388870), (5745, 3511096), (7660, 2633322), (9192, 2194435), (11490, 1755548), (15320, 1316661), (22980, 877774), (45960, 438887)]