20054964969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{990809}}^1$

素因数の和:991001

約数の個数: 24

約数和(自身を含む): 31376971080

約数和(自身を除く): 11322006111

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1557, 2249, 6747, 20241, 990809, 2972427, 8917281, 12880517, 38641551, 115924653, 171409957, 514229871, 1542689613, 2228329441, 6684988323, 20054964969]

約数ペア:

[(1, 20054964969), (3, 6684988323), (9, 2228329441), (13, 1542689613), (39, 514229871), (117, 171409957), (173, 115924653), (519, 38641551), (1557, 12880517), (2249, 8917281), (6747, 2972427), (20241, 990809)]