20187146

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 16474102

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 883, 994, 1633, 1766, 3266, 6181, 11431, 12362, 20309, 22862, 40618, 62693, 125386, 142163, 284326, 438851, 877702, 1441939, 2883878, 10093573, 20187146]

約数ペア:

[(1, 20187146), (2, 10093573), (7, 2883878), (14, 1441939), (23, 877702), (46, 438851), (71, 284326), (142, 142163), (161, 125386), (322, 62693), (497, 40618), (883, 22862), (994, 20309), (1633, 12362), (1766, 11431), (3266, 6181)]