20386288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98011}}^1$

素因数の和:98032

約数の個数: 20

約数和(自身を含む): 42537208

約数和(自身を除く): 22150920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98011, 196022, 392044, 784088, 1274143, 1568176, 2548286, 5096572, 10193144, 20386288]

約数ペア:

[(1, 20386288), (2, 10193144), (4, 5096572), (8, 2548286), (13, 1568176), (16, 1274143), (26, 784088), (52, 392044), (104, 196022), (208, 98011)]