20801170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160009}}^1$

素因数の和:160029

約数の個数: 16

約数和(自身を含む): 40322520

約数和(自身を除く): 19521350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160009, 320018, 800045, 1600090, 2080117, 4160234, 10400585, 20801170]

約数ペア:

[(1, 20801170), (2, 10400585), (5, 4160234), (10, 2080117), (13, 1600090), (26, 800045), (65, 320018), (130, 160009)]