2021445940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{453239}}^1$

素因数の和:453471

約数の個数: 24

約数和(自身を含む): 4264081920

約数和(自身を除く): 2242635980

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 453239, 906478, 1812956, 2266195, 4532390, 9064780, 101072297, 202144594, 404289188, 505361485, 1010722970, 2021445940]

約数ペア:

[(1, 2021445940), (2, 1010722970), (4, 505361485), (5, 404289188), (10, 202144594), (20, 101072297), (223, 9064780), (446, 4532390), (892, 2266195), (1115, 1812956), (2230, 906478), (4460, 453239)]