20201892732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{510613}}^1$

素因数の和:510787

約数の個数: 72

約数和(自身を含む): 58732864736

約数和(自身を除く): 38530972004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5652, 6594, 9891, 13188, 19782, 39564, 510613, 1021226, 1531839, 2042452, 3063678, 3574291, 4595517, 6127356, 7148582, 9191034, 10722873, 14297164, 18382068, 21445746, 32168619, 42891492, 64337238, 80166241, 128674476, 160332482, 240498723, 320664964, 480997446, 561163687, 721496169, 961994892, 1122327374, 1442992338, 1683491061, 2244654748, 2885984676, 3366982122, 5050473183, 6733964244, 10100946366, 20201892732]

約数ペア:

[(1, 20201892732), (2, 10100946366), (3, 6733964244), (4, 5050473183), (6, 3366982122), (7, 2885984676), (9, 2244654748), (12, 1683491061), (14, 1442992338), (18, 1122327374), (21, 961994892), (28, 721496169), (36, 561163687), (42, 480997446), (63, 320664964), (84, 240498723), (126, 160332482), (157, 128674476), (252, 80166241), (314, 64337238), (471, 42891492), (628, 32168619), (942, 21445746), (1099, 18382068), (1413, 14297164), (1884, 10722873), (2198, 9191034), (2826, 7148582), (3297, 6127356), (4396, 4595517), (5652, 3574291), (6594, 3063678), (9891, 2042452), (13188, 1531839), (19782, 1021226), (39564, 510613)]