20220191

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 1955809

約数列:

[1, 17, 43, 139, 199, 731, 2363, 3383, 5977, 8557, 27661, 101609, 145469, 470237, 1189423, 20220191]

約数ペア:

[(1, 20220191), (17, 1189423), (43, 470237), (139, 145469), (199, 101609), (731, 27661), (2363, 8557), (3383, 5977)]