20428272

素因数分解:

$2^4\times 3^2\times {\mathrm{141863}}^1$

素因数の和:141877

約数の個数: 30

約数和(自身を含む): 57171192

約数和(自身を除く): 36742920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 141863, 283726, 425589, 567452, 851178, 1134904, 1276767, 1702356, 2269808, 2553534, 3404712, 5107068, 6809424, 10214136, 20428272]

約数ペア:

[(1, 20428272), (2, 10214136), (3, 6809424), (4, 5107068), (6, 3404712), (8, 2553534), (9, 2269808), (12, 1702356), (16, 1276767), (18, 1134904), (24, 851178), (36, 567452), (48, 425589), (72, 283726), (144, 141863)]