20371081549

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1\times {\mathrm{3469}}^1$

素因数の和:4909

約数の個数: 32

約数和(自身を含む): 25631585280

約数和(自身を除く): 5260503731

約数列:

[1, 7, 13, 47, 91, 329, 611, 1373, 3469, 4277, 9611, 17849, 24283, 45097, 64531, 124943, 163043, 315679, 451717, 838903, 1141301, 2119559, 4762937, 5872321, 14836913, 33340559, 61918181, 223858039, 433427267, 1567006273, 2910154507, 20371081549]

約数ペア:

[(1, 20371081549), (7, 2910154507), (13, 1567006273), (47, 433427267), (91, 223858039), (329, 61918181), (611, 33340559), (1373, 14836913), (3469, 5872321), (4277, 4762937), (9611, 2119559), (17849, 1141301), (24283, 838903), (45097, 451717), (64531, 315679), (124943, 163043)]