20188096677

素因数分解:

$3^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{255743}}^1$

素因数の和:255942

約数の個数: 36

約数和(自身を含む): 34111134720

約数和(自身を除く): 13923038043

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 179, 441, 537, 1253, 1611, 3759, 8771, 11277, 26313, 78939, 255743, 767229, 1790201, 2301687, 5370603, 12531407, 16111809, 37594221, 45777997, 112782663, 137333991, 320445979, 412001973, 961337937, 2243121853, 2884013811, 6729365559, 20188096677]

約数ペア:

[(1, 20188096677), (3, 6729365559), (7, 2884013811), (9, 2243121853), (21, 961337937), (49, 412001973), (63, 320445979), (147, 137333991), (179, 112782663), (441, 45777997), (537, 37594221), (1253, 16111809), (1611, 12531407), (3759, 5370603), (8771, 2301687), (11277, 1790201), (26313, 767229), (78939, 255743)]