221762020

素因数分解:

$2^2\times 5^1\times {\mathrm{11088101}}^1$

素因数の和:11088110

約数の個数: 12

約数和(自身を含む): 465700284

約数和(自身を除く): 243938264

約数列:

[1, 2, 4, 5, 10, 20, 11088101, 22176202, 44352404, 55440505, 110881010, 221762020]

約数ペア:

[(1, 221762020), (2, 110881010), (4, 55440505), (5, 44352404), (10, 22176202), (20, 11088101)]