2103179020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2445557}}^1$

素因数の和:2445609

約数の個数: 24

約数和(自身を含む): 4519391184

約数和(自身を除く): 2416212164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2445557, 4891114, 9782228, 12227785, 24455570, 48911140, 105158951, 210317902, 420635804, 525794755, 1051589510, 2103179020]

約数ペア:

[(1, 2103179020), (2, 1051589510), (4, 525794755), (5, 420635804), (10, 210317902), (20, 105158951), (43, 48911140), (86, 24455570), (172, 12227785), (215, 9782228), (430, 4891114), (860, 2445557)]