20777722

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{17881}}^1$

素因数の和:17973

約数の個数: 16

約数和(自身を含む): 36050112

約数和(自身を除く): 15272390

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 17881, 35762, 125167, 250334, 1484123, 2968246, 10388861, 20777722]

約数ペア:

[(1, 20777722), (2, 10388861), (7, 2968246), (14, 1484123), (83, 250334), (166, 125167), (581, 35762), (1162, 17881)]