20153154

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11159}}^1$

素因数の和:11214

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 26986686

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11159, 22318, 33477, 66954, 78113, 156226, 234339, 468678, 479837, 959674, 1439511, 2879022, 3358859, 6717718, 10076577, 20153154]

約数ペア:

[(1, 20153154), (2, 10076577), (3, 6717718), (6, 3358859), (7, 2879022), (14, 1439511), (21, 959674), (42, 479837), (43, 468678), (86, 234339), (129, 156226), (258, 78113), (301, 66954), (602, 33477), (903, 22318), (1806, 11159)]