20847824

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5843}}^1$

素因数の和:6074

約数の個数: 20

約数和(自身を含む): 40580736

約数和(自身を除く): 19732912

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5843, 11686, 23372, 46744, 93488, 1302989, 2605978, 5211956, 10423912, 20847824]

約数ペア:

[(1, 20847824), (2, 10423912), (4, 5211956), (8, 2605978), (16, 1302989), (223, 93488), (446, 46744), (892, 23372), (1784, 11686), (3568, 5843)]