203440340

素因数分解:

$2^2\times 5^1\times {\mathrm{10172017}}^1$

素因数の和:10172026

約数の個数: 12

約数和(自身を含む): 427224756

約数和(自身を除く): 223784416

約数列:

[1, 2, 4, 5, 10, 20, 10172017, 20344034, 40688068, 50860085, 101720170, 203440340]

約数ペア:

[(1, 203440340), (2, 101720170), (4, 50860085), (5, 40688068), (10, 20344034), (20, 10172017)]