20921322

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205111}}^1$

素因数の和:205133

約数の個数: 16

約数和(自身を含む): 44304192

約数和(自身を除く): 23382870

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205111, 410222, 615333, 1230666, 3486887, 6973774, 10460661, 20921322]

約数ペア:

[(1, 20921322), (2, 10460661), (3, 6973774), (6, 3486887), (17, 1230666), (34, 615333), (51, 410222), (102, 205111)]