20121577731

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{1601}}^1\times {\mathrm{3181}}^1$

素因数の和:5227

約数の個数: 24

約数和(自身を含む): 29158066080

約数和(自身を除く): 9036488349

約数列:

[1, 3, 9, 439, 1317, 1601, 3181, 3951, 4803, 9543, 14409, 28629, 702839, 1396459, 2108517, 4189377, 5092781, 6325551, 12568131, 15278343, 45835029, 2235730859, 6707192577, 20121577731]

約数ペア:

[(1, 20121577731), (3, 6707192577), (9, 2235730859), (439, 45835029), (1317, 15278343), (1601, 12568131), (3181, 6325551), (3951, 5092781), (4803, 4189377), (9543, 2108517), (14409, 1396459), (28629, 702839)]