20648280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172069}}^1$

素因数の和:172083

約数の個数: 32

約数和(自身を含む): 61945200

約数和(自身を除く): 41296920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172069, 344138, 516207, 688276, 860345, 1032414, 1376552, 1720690, 2064828, 2581035, 3441380, 4129656, 5162070, 6882760, 10324140, 20648280]

約数ペア:

[(1, 20648280), (2, 10324140), (3, 6882760), (4, 5162070), (5, 4129656), (6, 3441380), (8, 2581035), (10, 2064828), (12, 1720690), (15, 1376552), (20, 1032414), (24, 860345), (30, 688276), (40, 516207), (60, 344138), (120, 172069)]