20864074

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 39676032

約数和(自身を除く): 18811958

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2221, 4442, 4697, 9394, 15547, 24431, 31094, 48862, 135481, 171017, 270962, 342034, 948367, 1490291, 1896734, 2980582, 10432037, 20864074]

約数ペア:

[(1, 20864074), (2, 10432037), (7, 2980582), (11, 1896734), (14, 1490291), (22, 948367), (61, 342034), (77, 270962), (122, 171017), (154, 135481), (427, 48862), (671, 31094), (854, 24431), (1342, 15547), (2221, 9394), (4442, 4697)]