20040958

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 16200962

約数列:

[1, 2, 7, 14, 23, 46, 109, 161, 218, 322, 571, 763, 1142, 1526, 2507, 3997, 5014, 7994, 13133, 17549, 26266, 35098, 62239, 91931, 124478, 183862, 435673, 871346, 1431497, 2862994, 10020479, 20040958]

約数ペア:

[(1, 20040958), (2, 10020479), (7, 2862994), (14, 1431497), (23, 871346), (46, 435673), (109, 183862), (161, 124478), (218, 91931), (322, 62239), (571, 35098), (763, 26266), (1142, 17549), (1526, 13133), (2507, 7994), (3997, 5014)]