20826250

素因数分解:

$2^1\times 5^4\times {\mathrm{16661}}^1$

素因数の和:16683

約数の個数: 20

約数和(自身を含む): 39039066

約数和(自身を除く): 18212816

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16661, 33322, 83305, 166610, 416525, 833050, 2082625, 4165250, 10413125, 20826250]

約数ペア:

[(1, 20826250), (2, 10413125), (5, 4165250), (10, 2082625), (25, 833050), (50, 416525), (125, 166610), (250, 83305), (625, 33322), (1250, 16661)]