20873133

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{587}}^1$

素因数の和:1038

約数の個数: 20

約数和(自身を含む): 31305120

約数和(自身を除く): 10431987

約数列:

[1, 3, 9, 27, 81, 439, 587, 1317, 1761, 3951, 5283, 11853, 15849, 35559, 47547, 257693, 773079, 2319237, 6957711, 20873133]

約数ペア:

[(1, 20873133), (3, 6957711), (9, 2319237), (27, 773079), (81, 257693), (439, 47547), (587, 35559), (1317, 15849), (1761, 11853), (3951, 5283)]