20843547

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 30577200

約数和(自身を除く): 9733653

約数列:

[1, 3, 17, 29, 51, 87, 289, 493, 829, 867, 1479, 2487, 8381, 14093, 24041, 25143, 42279, 72123, 239581, 408697, 718743, 1226091, 6947849, 20843547]

約数ペア:

[(1, 20843547), (3, 6947849), (17, 1226091), (29, 718743), (51, 408697), (87, 239581), (289, 72123), (493, 42279), (829, 25143), (867, 24041), (1479, 14093), (2487, 8381)]