20449936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98317}}^1$

素因数の和:98338

約数の個数: 20

約数和(自身を含む): 42670012

約数和(自身を除く): 22220076

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98317, 196634, 393268, 786536, 1278121, 1573072, 2556242, 5112484, 10224968, 20449936]

約数ペア:

[(1, 20449936), (2, 10224968), (4, 5112484), (8, 2556242), (13, 1573072), (16, 1278121), (26, 786536), (52, 393268), (104, 196634), (208, 98317)]