20710550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 24286570

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1259, 1645, 2350, 2518, 3290, 6295, 8225, 8813, 12590, 16450, 17626, 31475, 44065, 59173, 62950, 88130, 118346, 220325, 295865, 414211, 440650, 591730, 828422, 1479325, 2071055, 2958650, 4142110, 10355275, 20710550]

約数ペア:

[(1, 20710550), (2, 10355275), (5, 4142110), (7, 2958650), (10, 2071055), (14, 1479325), (25, 828422), (35, 591730), (47, 440650), (50, 414211), (70, 295865), (94, 220325), (175, 118346), (235, 88130), (329, 62950), (350, 59173), (470, 44065), (658, 31475), (1175, 17626), (1259, 16450), (1645, 12590), (2350, 8813), (2518, 8225), (3290, 6295)]