20248137

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 38704512

約数和(自身を除く): 18456375

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 41, 63, 67, 81, 91, 117, 123, 189, 201, 273, 287, 351, 369, 469, 533, 567, 603, 819, 861, 871, 1053, 1107, 1407, 1599, 1809, 2457, 2583, 2613, 2747, 3321, 3731, 4221, 4797, 5427, 6097, 7371, 7749, 7839, 8241, 11193, 12663, 14391, 18291, 19229, 23247, 23517, 24723, 33579, 35711, 37989, 43173, 54873, 57687, 70551, 74169, 100737, 107133, 164619, 173061, 222507, 249977, 302211, 321399, 493857, 519183, 749931, 964197, 1557549, 2249793, 2892591, 6749379, 20248137]

約数ペア:

[(1, 20248137), (3, 6749379), (7, 2892591), (9, 2249793), (13, 1557549), (21, 964197), (27, 749931), (39, 519183), (41, 493857), (63, 321399), (67, 302211), (81, 249977), (91, 222507), (117, 173061), (123, 164619), (189, 107133), (201, 100737), (273, 74169), (287, 70551), (351, 57687), (369, 54873), (469, 43173), (533, 37989), (567, 35711), (603, 33579), (819, 24723), (861, 23517), (871, 23247), (1053, 19229), (1107, 18291), (1407, 14391), (1599, 12663), (1809, 11193), (2457, 8241), (2583, 7839), (2613, 7749), (2747, 7371), (3321, 6097), (3731, 5427), (4221, 4797)]