20971184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100823}}^1$

素因数の和:100844

約数の個数: 20

約数和(自身を含む): 43757616

約数和(自身を除く): 22786432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100823, 201646, 403292, 806584, 1310699, 1613168, 2621398, 5242796, 10485592, 20971184]

約数ペア:

[(1, 20971184), (2, 10485592), (4, 5242796), (8, 2621398), (13, 1613168), (16, 1310699), (26, 806584), (52, 403292), (104, 201646), (208, 100823)]