20807813894

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^2\times {\mathrm{311}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 36248179968

約数和(自身を除く): 15440366074

約数列:

[1, 2, 7, 14, 131, 191, 262, 311, 382, 622, 917, 1337, 1834, 2177, 2674, 4354, 25021, 36481, 40741, 50042, 59401, 72962, 81482, 118802, 175147, 255367, 285187, 350294, 415807, 510734, 570374, 831614, 4779011, 7781531, 9558022, 11345591, 15563062, 22691182, 33453077, 54470717, 66906154, 79419137, 108941434, 158838274, 1486272421, 2972544842, 10403906947, 20807813894]

約数ペア:

[(1, 20807813894), (2, 10403906947), (7, 2972544842), (14, 1486272421), (131, 158838274), (191, 108941434), (262, 79419137), (311, 66906154), (382, 54470717), (622, 33453077), (917, 22691182), (1337, 15563062), (1834, 11345591), (2177, 9558022), (2674, 7781531), (4354, 4779011), (25021, 831614), (36481, 570374), (40741, 510734), (50042, 415807), (59401, 350294), (72962, 285187), (81482, 255367), (118802, 175147)]