200712702020

素因数分解:

$2^2\times 5^1\times {\mathrm{10035635101}}^1$

素因数の和:10035635110

約数の個数: 12

約数和(自身を含む): 421496674284

約数和(自身を除く): 220783972264

約数列:

[1, 2, 4, 5, 10, 20, 10035635101, 20071270202, 40142540404, 50178175505, 100356351010, 200712702020]

約数ペア:

[(1, 200712702020), (2, 100356351010), (4, 50178175505), (5, 40142540404), (10, 20071270202), (20, 10035635101)]