20154159

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 30944160

約数和(自身を除く): 10790001

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2087, 3219, 6261, 9657, 18783, 60523, 77219, 181569, 231657, 544707, 694971, 2239351, 6718053, 20154159]

約数ペア:

[(1, 20154159), (3, 6718053), (9, 2239351), (29, 694971), (37, 544707), (87, 231657), (111, 181569), (261, 77219), (333, 60523), (1073, 18783), (2087, 9657), (3219, 6261)]