20448156

素因数分解:

$2^2\times 3^1\times {\mathrm{487}}^1\times {\mathrm{3499}}^1$

素因数の和:3993

約数の個数: 24

約数和(自身を含む): 47824000

約数和(自身を除く): 27375844

約数列:

[1, 2, 3, 4, 6, 12, 487, 974, 1461, 1948, 2922, 3499, 5844, 6998, 10497, 13996, 20994, 41988, 1704013, 3408026, 5112039, 6816052, 10224078, 20448156]

約数ペア:

[(1, 20448156), (2, 10224078), (3, 6816052), (4, 5112039), (6, 3408026), (12, 1704013), (487, 41988), (974, 20994), (1461, 13996), (1948, 10497), (2922, 6998), (3499, 5844)]