20799080

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1933}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 46996200

約数和(自身を除く): 26197120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1933, 2152, 2690, 3866, 5380, 7732, 9665, 10760, 15464, 19330, 38660, 77320, 519977, 1039954, 2079908, 2599885, 4159816, 5199770, 10399540, 20799080]

約数ペア:

[(1, 20799080), (2, 10399540), (4, 5199770), (5, 4159816), (8, 2599885), (10, 2079908), (20, 1039954), (40, 519977), (269, 77320), (538, 38660), (1076, 19330), (1345, 15464), (1933, 10760), (2152, 9665), (2690, 7732), (3866, 5380)]