20666313

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 31883520

約数和(自身を除く): 11217207

約数列:

[1, 3, 9, 27, 37, 111, 137, 151, 333, 411, 453, 999, 1233, 1359, 3699, 4077, 5069, 5587, 15207, 16761, 20687, 45621, 50283, 62061, 136863, 150849, 186183, 558549, 765419, 2296257, 6888771, 20666313]

約数ペア:

[(1, 20666313), (3, 6888771), (9, 2296257), (27, 765419), (37, 558549), (111, 186183), (137, 150849), (151, 136863), (333, 62061), (411, 50283), (453, 45621), (999, 20687), (1233, 16761), (1359, 15207), (3699, 5587), (4077, 5069)]