20117722

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 10928678

約数列:

[1, 2, 43, 86, 223, 446, 1049, 2098, 9589, 19178, 45107, 90214, 233927, 467854, 10058861, 20117722]

約数ペア:

[(1, 20117722), (2, 10058861), (43, 467854), (86, 233927), (223, 90214), (446, 45107), (1049, 19178), (2098, 9589)]