20099871

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7001}}^1$

素因数の和:7047

約数の個数: 24

約数和(自身を含む): 32769360

約数和(自身を除く): 12669489

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7001, 21003, 63009, 77011, 203029, 231033, 609087, 693099, 1827261, 2233319, 6699957, 20099871]

約数ペア:

[(1, 20099871), (3, 6699957), (9, 2233319), (11, 1827261), (29, 693099), (33, 609087), (87, 231033), (99, 203029), (261, 77011), (319, 63009), (957, 21003), (2871, 7001)]