20172447

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 30111744

約数和(自身を除く): 9939297

約数列:

[1, 3, 9, 47, 103, 141, 309, 423, 463, 927, 1389, 4167, 4841, 14523, 21761, 43569, 47689, 65283, 143067, 195849, 429201, 2241383, 6724149, 20172447]

約数ペア:

[(1, 20172447), (3, 6724149), (9, 2241383), (47, 429201), (103, 195849), (141, 143067), (309, 65283), (423, 47689), (463, 43569), (927, 21761), (1389, 14523), (4167, 4841)]