20771354

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1913}}^1$

素因数の和:2065

約数の個数: 16

約数和(自身を含む): 32040360

約数和(自身を除く): 11269006

約数列:

[1, 2, 61, 89, 122, 178, 1913, 3826, 5429, 10858, 116693, 170257, 233386, 340514, 10385677, 20771354]

約数ペア:

[(1, 20771354), (2, 10385677), (61, 340514), (89, 233386), (122, 170257), (178, 116693), (1913, 10858), (3826, 5429)]