2019998740

素因数分解:

$2^2\times 5^1\times {\mathrm{10723}}^1\times {\mathrm{9419}}^1$

素因数の和:20151

約数の個数: 24

約数和(自身を含む): 4242843360

約数和(自身を除く): 2222844620

約数列:

[1, 2, 4, 5, 10, 20, 9419, 10723, 18838, 21446, 37676, 42892, 47095, 53615, 94190, 107230, 188380, 214460, 100999937, 201999874, 403999748, 504999685, 1009999370, 2019998740]

約数ペア:

[(1, 2019998740), (2, 1009999370), (4, 504999685), (5, 403999748), (10, 201999874), (20, 100999937), (9419, 214460), (10723, 188380), (18838, 107230), (21446, 94190), (37676, 53615), (42892, 47095)]