20567729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2861}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 5075791

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2861, 7189, 20027, 37193, 226019, 260351, 1582133, 2938247, 20567729]

約数ペア:

[(1, 20567729), (7, 2938247), (13, 1582133), (79, 260351), (91, 226019), (553, 37193), (1027, 20027), (2861, 7189)]