20437677

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1493}}^1$

素因数の和:1531

約数の個数: 30

約数和(自身を含む): 33081642

約数和(自身を除く): 12643965

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1493, 1521, 4479, 4563, 13437, 13689, 19409, 40311, 58227, 120933, 174681, 252317, 524043, 756951, 1572129, 2270853, 6812559, 20437677]

約数ペア:

[(1, 20437677), (3, 6812559), (9, 2270853), (13, 1572129), (27, 756951), (39, 524043), (81, 252317), (117, 174681), (169, 120933), (351, 58227), (507, 40311), (1053, 19409), (1493, 13689), (1521, 13437), (4479, 4563)]