20953847061

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{23293}}^1$

素因数の和:23546

約数の個数: 48

約数和(自身を含む): 35175803520

約数和(自身を除く): 14221956459

約数列:

[1, 3, 7, 9, 21, 63, 109, 131, 327, 393, 763, 917, 981, 1179, 2289, 2751, 6867, 8253, 14279, 23293, 42837, 69879, 99953, 128511, 163051, 209637, 299859, 489153, 899577, 1467459, 2538937, 3051383, 7616811, 9154149, 17772559, 21359681, 22850433, 27462447, 53317677, 64079043, 159953031, 192237129, 332600747, 997802241, 2328205229, 2993406723, 6984615687, 20953847061]

約数ペア:

[(1, 20953847061), (3, 6984615687), (7, 2993406723), (9, 2328205229), (21, 997802241), (63, 332600747), (109, 192237129), (131, 159953031), (327, 64079043), (393, 53317677), (763, 27462447), (917, 22850433), (981, 21359681), (1179, 17772559), (2289, 9154149), (2751, 7616811), (6867, 3051383), (8253, 2538937), (14279, 1467459), (23293, 899577), (42837, 489153), (69879, 299859), (99953, 209637), (128511, 163051)]