20487522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7219}}^1$

素因数の和:7278

約数の個数: 32

約数和(自身を含む): 45745920

約数和(自身を除く): 25258398

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7219, 14438, 21657, 43314, 79409, 158818, 238227, 310417, 476454, 620834, 931251, 1862502, 3414587, 6829174, 10243761, 20487522]

約数ペア:

[(1, 20487522), (2, 10243761), (3, 6829174), (6, 3414587), (11, 1862502), (22, 931251), (33, 620834), (43, 476454), (66, 310417), (86, 238227), (129, 158818), (258, 79409), (473, 43314), (946, 21657), (1419, 14438), (2838, 7219)]