20501866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2074

約数の個数: 32

約数和(自身を含む): 38932992

約数和(自身を除く): 18431126

約数列:

[1, 2, 7, 11, 14, 22, 67, 77, 134, 154, 469, 737, 938, 1474, 1987, 3974, 5159, 10318, 13909, 21857, 27818, 43714, 133129, 152999, 266258, 305998, 931903, 1464419, 1863806, 2928838, 10250933, 20501866]

約数ペア:

[(1, 20501866), (2, 10250933), (7, 2928838), (11, 1863806), (14, 1464419), (22, 931903), (67, 305998), (77, 266258), (134, 152999), (154, 133129), (469, 43714), (737, 27818), (938, 21857), (1474, 13909), (1987, 10318), (3974, 5159)]