20858768

素因数分解:

$2^4\times 7^1\times {\mathrm{186239}}^1$

素因数の和:186254

約数の個数: 20

約数和(自身を含む): 46187520

約数和(自身を除く): 25328752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186239, 372478, 744956, 1303673, 1489912, 2607346, 2979824, 5214692, 10429384, 20858768]

約数ペア:

[(1, 20858768), (2, 10429384), (4, 5214692), (7, 2979824), (8, 2607346), (14, 1489912), (16, 1303673), (28, 744956), (56, 372478), (112, 186239)]