20161264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43451}}^1$

素因数の和:43488

約数の個数: 20

約数和(自身を含む): 40410360

約数和(自身を除く): 20249096

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43451, 86902, 173804, 347608, 695216, 1260079, 2520158, 5040316, 10080632, 20161264]

約数ペア:

[(1, 20161264), (2, 10080632), (4, 5040316), (8, 2520158), (16, 1260079), (29, 695216), (58, 347608), (116, 173804), (232, 86902), (464, 43451)]