20246679

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5813}}^1$

素因数の和:5868

約数の個数: 20

約数和(自身を含む): 30953736

約数和(自身を除く): 10707057

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5813, 17439, 52317, 156951, 249959, 470853, 749877, 2249631, 6748893, 20246679]

約数ペア:

[(1, 20246679), (3, 6748893), (9, 2249631), (27, 749877), (43, 470853), (81, 249959), (129, 156951), (387, 52317), (1161, 17439), (3483, 5813)]