20557672

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{18757}}^1$

素因数の和:18900

約数の個数: 16

約数和(自身を含む): 38829060

約数和(自身を除く): 18271388

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 18757, 37514, 75028, 150056, 2569709, 5139418, 10278836, 20557672]

約数ペア:

[(1, 20557672), (2, 10278836), (4, 5139418), (8, 2569709), (137, 150056), (274, 75028), (548, 37514), (1096, 18757)]