20749320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57637}}^1$

素因数の和:57654

約数の個数: 48

約数和(自身を含む): 67436460

約数和(自身を除く): 46687140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57637, 115274, 172911, 230548, 288185, 345822, 461096, 518733, 576370, 691644, 864555, 1037466, 1152740, 1383288, 1729110, 2074932, 2305480, 2593665, 3458220, 4149864, 5187330, 6916440, 10374660, 20749320]

約数ペア:

[(1, 20749320), (2, 10374660), (3, 6916440), (4, 5187330), (5, 4149864), (6, 3458220), (8, 2593665), (9, 2305480), (10, 2074932), (12, 1729110), (15, 1383288), (18, 1152740), (20, 1037466), (24, 864555), (30, 691644), (36, 576370), (40, 518733), (45, 461096), (60, 345822), (72, 288185), (90, 230548), (120, 172911), (180, 115274), (360, 57637)]