20689320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172411}}^1$

素因数の和:172425

約数の個数: 32

約数和(自身を含む): 62068320

約数和(自身を除く): 41379000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172411, 344822, 517233, 689644, 862055, 1034466, 1379288, 1724110, 2068932, 2586165, 3448220, 4137864, 5172330, 6896440, 10344660, 20689320]

約数ペア:

[(1, 20689320), (2, 10344660), (3, 6896440), (4, 5172330), (5, 4137864), (6, 3448220), (8, 2586165), (10, 2068932), (12, 1724110), (15, 1379288), (20, 1034466), (24, 862055), (30, 689644), (40, 517233), (60, 344822), (120, 172411)]