20471824

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7069}}^1$

素因数の和:7258

約数の個数: 20

約数和(自身を含む): 39888940

約数和(自身を除く): 19417116

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7069, 14138, 28276, 56552, 113104, 1279489, 2558978, 5117956, 10235912, 20471824]

約数ペア:

[(1, 20471824), (2, 10235912), (4, 5117956), (8, 2558978), (16, 1279489), (181, 113104), (362, 56552), (724, 28276), (1448, 14138), (2896, 7069)]