20387536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98017}}^1$

素因数の和:98038

約数の個数: 20

約数和(自身を含む): 42539812

約数和(自身を除く): 22152276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98017, 196034, 392068, 784136, 1274221, 1568272, 2548442, 5096884, 10193768, 20387536]

約数ペア:

[(1, 20387536), (2, 10193768), (4, 5096884), (8, 2548442), (13, 1568272), (16, 1274221), (26, 784136), (52, 392068), (104, 196034), (208, 98017)]