20198064735

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{371869}}^1$

素因数の和:371968

約数の個数: 48

約数和(自身を含む): 37591594560

約数和(自身を除く): 17393529825

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 6035, 10863, 18105, 54315, 371869, 1115607, 1859345, 3346821, 5578035, 6321773, 16734105, 18965319, 26402699, 31608865, 56895957, 79208097, 94826595, 132013495, 237624291, 284479785, 396040485, 448845883, 1188121455, 1346537649, 2244229415, 4039612947, 6732688245, 20198064735]

約数ペア:

[(1, 20198064735), (3, 6732688245), (5, 4039612947), (9, 2244229415), (15, 1346537649), (17, 1188121455), (45, 448845883), (51, 396040485), (71, 284479785), (85, 237624291), (153, 132013495), (213, 94826595), (255, 79208097), (355, 56895957), (639, 31608865), (765, 26402699), (1065, 18965319), (1207, 16734105), (3195, 6321773), (3621, 5578035), (6035, 3346821), (10863, 1859345), (18105, 1115607), (54315, 371869)]