20252355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 14874429

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 1847, 2193, 3655, 5541, 9235, 10965, 27705, 31399, 79421, 94197, 156995, 238263, 397105, 470985, 1191315, 1350157, 4050471, 6750785, 20252355]

約数ペア:

[(1, 20252355), (3, 6750785), (5, 4050471), (15, 1350157), (17, 1191315), (43, 470985), (51, 397105), (85, 238263), (129, 156995), (215, 94197), (255, 79421), (645, 31399), (731, 27705), (1847, 10965), (2193, 9235), (3655, 5541)]