20008208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113683}}^1$

素因数の和:113702

約数の個数: 20

約数和(自身を含む): 42290448

約数和(自身を除く): 22282240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113683, 227366, 454732, 909464, 1250513, 1818928, 2501026, 5002052, 10004104, 20008208]

約数ペア:

[(1, 20008208), (2, 10004104), (4, 5002052), (8, 2501026), (11, 1818928), (16, 1250513), (22, 909464), (44, 454732), (88, 227366), (176, 113683)]