20734263

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 35093760

約数和(自身を除く): 14359497

約数列:

[1, 3, 9, 11, 19, 33, 57, 73, 99, 151, 171, 209, 219, 453, 627, 657, 803, 1359, 1387, 1661, 1881, 2409, 2869, 4161, 4983, 7227, 8607, 11023, 12483, 14949, 15257, 25821, 31559, 33069, 45771, 94677, 99207, 121253, 137313, 209437, 284031, 363759, 628311, 1091277, 1884933, 2303807, 6911421, 20734263]

約数ペア:

[(1, 20734263), (3, 6911421), (9, 2303807), (11, 1884933), (19, 1091277), (33, 628311), (57, 363759), (73, 284031), (99, 209437), (151, 137313), (171, 121253), (209, 99207), (219, 94677), (453, 45771), (627, 33069), (657, 31559), (803, 25821), (1359, 15257), (1387, 14949), (1661, 12483), (1881, 11023), (2409, 8607), (2869, 7227), (4161, 4983)]