20123762680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1752941}}^1$

素因数の和:1753000

約数の個数: 64

約数和(自身を含む): 53008966080

約数和(自身を除く): 32885203400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 1752941, 3505882, 7011764, 8764705, 12270587, 14023528, 17529410, 24541174, 35058820, 49082348, 61352935, 70117640, 71870581, 98164696, 122705870, 143741162, 245411740, 287482324, 359352905, 490823480, 503094067, 574964648, 718705810, 1006188134, 1437411620, 2012376268, 2515470335, 2874823240, 4024752536, 5030940670, 10061881340, 20123762680]

約数ペア:

[(1, 20123762680), (2, 10061881340), (4, 5030940670), (5, 4024752536), (7, 2874823240), (8, 2515470335), (10, 2012376268), (14, 1437411620), (20, 1006188134), (28, 718705810), (35, 574964648), (40, 503094067), (41, 490823480), (56, 359352905), (70, 287482324), (82, 245411740), (140, 143741162), (164, 122705870), (205, 98164696), (280, 71870581), (287, 70117640), (328, 61352935), (410, 49082348), (574, 35058820), (820, 24541174), (1148, 17529410), (1435, 14023528), (1640, 12270587), (2296, 8764705), (2870, 7011764), (5740, 3505882), (11480, 1752941)]