20873818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17228582

約数列:

[1, 2, 7, 14, 19, 38, 97, 133, 194, 266, 679, 809, 1358, 1618, 1843, 3686, 5663, 11326, 12901, 15371, 25802, 30742, 78473, 107597, 156946, 215194, 549311, 1098622, 1490987, 2981974, 10436909, 20873818]

約数ペア:

[(1, 20873818), (2, 10436909), (7, 2981974), (14, 1490987), (19, 1098622), (38, 549311), (97, 215194), (133, 156946), (194, 107597), (266, 78473), (679, 30742), (809, 25802), (1358, 15371), (1618, 12901), (1843, 11326), (3686, 5663)]