20011574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4079}}^1$

素因数の和:4315

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 12889546

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4079, 4906, 8158, 44869, 89738, 909617, 1819234, 10005787, 20011574]

約数ペア:

[(1, 20011574), (2, 10005787), (11, 1819234), (22, 909617), (223, 89738), (446, 44869), (2453, 8158), (4079, 4906)]