20789416

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55291}}^1$

素因数の和:55344

約数の個数: 16

約数和(自身を含む): 39810240

約数和(自身を除く): 19020824

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55291, 110582, 221164, 442328, 2598677, 5197354, 10394708, 20789416]

約数ペア:

[(1, 20789416), (2, 10394708), (4, 5197354), (8, 2598677), (47, 442328), (94, 221164), (188, 110582), (376, 55291)]