20986864

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{2833}}^1$

素因数の和:3304

約数の個数: 20

約数和(自身を含む): 40764256

約数和(自身を除く): 19777392

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 2833, 3704, 5666, 7408, 11332, 22664, 45328, 1311679, 2623358, 5246716, 10493432, 20986864]

約数ペア:

[(1, 20986864), (2, 10493432), (4, 5246716), (8, 2623358), (16, 1311679), (463, 45328), (926, 22664), (1852, 11332), (2833, 7408), (3704, 5666)]