20161786

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2333}}^1$

素因数の和:2513

約数の個数: 16

約数和(自身を含む): 31509000

約数和(自身を除く): 11347214

約数列:

[1, 2, 29, 58, 149, 298, 2333, 4321, 4666, 8642, 67657, 135314, 347617, 695234, 10080893, 20161786]

約数ペア:

[(1, 20161786), (2, 10080893), (29, 695234), (58, 347617), (149, 135314), (298, 67657), (2333, 8642), (4321, 4666)]