209622420220

素因数分解:

$2^2\times 5^1\times {\mathrm{10481121011}}^1$

素因数の和:10481121020

約数の個数: 12

約数和(自身を含む): 440207082504

約数和(自身を除く): 230584662284

約数列:

[1, 2, 4, 5, 10, 20, 10481121011, 20962242022, 41924484044, 52405605055, 104811210110, 209622420220]

約数ペア:

[(1, 209622420220), (2, 104811210110), (4, 52405605055), (5, 41924484044), (10, 20962242022), (20, 10481121011)]