20984941620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38861003}}^1$

素因数の和:38861021

約数の個数: 48

約数和(自身を含む): 65286486720

約数和(自身を除く): 44301545100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38861003, 77722006, 116583009, 155444012, 194305015, 233166018, 349749027, 388610030, 466332036, 582915045, 699498054, 777220060, 1049247081, 1165830090, 1398996108, 1748745135, 2098494162, 2331660180, 3497490270, 4196988324, 5246235405, 6994980540, 10492470810, 20984941620]

約数ペア:

[(1, 20984941620), (2, 10492470810), (3, 6994980540), (4, 5246235405), (5, 4196988324), (6, 3497490270), (9, 2331660180), (10, 2098494162), (12, 1748745135), (15, 1398996108), (18, 1165830090), (20, 1049247081), (27, 777220060), (30, 699498054), (36, 582915045), (45, 466332036), (54, 388610030), (60, 349749027), (90, 233166018), (108, 194305015), (135, 155444012), (180, 116583009), (270, 77722006), (540, 38861003)]