20604690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1279}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 33308910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1279, 1611, 1790, 2558, 2685, 3222, 3837, 5370, 6395, 7674, 8055, 11511, 12790, 16110, 19185, 23022, 38370, 57555, 115110, 228941, 457882, 686823, 1144705, 1373646, 2060469, 2289410, 3434115, 4120938, 6868230, 10302345, 20604690]

約数ペア:

[(1, 20604690), (2, 10302345), (3, 6868230), (5, 4120938), (6, 3434115), (9, 2289410), (10, 2060469), (15, 1373646), (18, 1144705), (30, 686823), (45, 457882), (90, 228941), (179, 115110), (358, 57555), (537, 38370), (895, 23022), (1074, 19185), (1279, 16110), (1611, 12790), (1790, 11511), (2558, 8055), (2685, 7674), (3222, 6395), (3837, 5370)]