20178507940

素因数分解:

$2^2\times 5^1\times {\mathrm{2879}}^1\times {\mathrm{350443}}^1$

素因数の和:353331

約数の個数: 24

約数和(自身を含む): 42389706240

約数和(自身を除く): 22211198300

約数列:

[1, 2, 4, 5, 10, 20, 2879, 5758, 11516, 14395, 28790, 57580, 350443, 700886, 1401772, 1752215, 3504430, 7008860, 1008925397, 2017850794, 4035701588, 5044626985, 10089253970, 20178507940]

約数ペア:

[(1, 20178507940), (2, 10089253970), (4, 5044626985), (5, 4035701588), (10, 2017850794), (20, 1008925397), (2879, 7008860), (5758, 3504430), (11516, 1752215), (14395, 1401772), (28790, 700886), (57580, 350443)]