20267344

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2939}}^1$

素因数の和:3378

約数の個数: 20

約数和(自身を含む): 39372480

約数和(自身を除く): 19105136

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 2939, 3448, 5878, 6896, 11756, 23512, 47024, 1266709, 2533418, 5066836, 10133672, 20267344]

約数ペア:

[(1, 20267344), (2, 10133672), (4, 5066836), (8, 2533418), (16, 1266709), (431, 47024), (862, 23512), (1724, 11756), (2939, 6896), (3448, 5878)]