20161644291

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{3919}}^1$

素因数の和:4176

約数の個数: 48

約数和(自身を含む): 30204195840

約数和(自身を除く): 10042551549

約数列:

[1, 3, 9, 71, 83, 97, 213, 249, 291, 639, 747, 873, 3919, 5893, 6887, 8051, 11757, 17679, 20661, 24153, 35271, 53037, 61983, 72459, 278249, 325277, 380143, 571621, 834747, 975831, 1140429, 1714863, 2504241, 2927493, 3421287, 5144589, 23094667, 26990153, 31551869, 69284001, 80970459, 94655607, 207852003, 242911377, 283966821, 2240182699, 6720548097, 20161644291]

約数ペア:

[(1, 20161644291), (3, 6720548097), (9, 2240182699), (71, 283966821), (83, 242911377), (97, 207852003), (213, 94655607), (249, 80970459), (291, 69284001), (639, 31551869), (747, 26990153), (873, 23094667), (3919, 5144589), (5893, 3421287), (6887, 2927493), (8051, 2504241), (11757, 1714863), (17679, 1140429), (20661, 975831), (24153, 834747), (35271, 571621), (53037, 380143), (61983, 325277), (72459, 278249)]