20327874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 48562176

約数和(自身を除く): 28234302

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 103, 111, 127, 206, 222, 254, 259, 309, 381, 518, 618, 721, 762, 777, 889, 1442, 1554, 1778, 2163, 2667, 3811, 4326, 4699, 5334, 7622, 9398, 11433, 13081, 14097, 22866, 26162, 26677, 28194, 32893, 39243, 53354, 65786, 78486, 80031, 91567, 98679, 160062, 183134, 197358, 274701, 483997, 549402, 967994, 1451991, 2903982, 3387979, 6775958, 10163937, 20327874]

約数ペア:

[(1, 20327874), (2, 10163937), (3, 6775958), (6, 3387979), (7, 2903982), (14, 1451991), (21, 967994), (37, 549402), (42, 483997), (74, 274701), (103, 197358), (111, 183134), (127, 160062), (206, 98679), (222, 91567), (254, 80031), (259, 78486), (309, 65786), (381, 53354), (518, 39243), (618, 32893), (721, 28194), (762, 26677), (777, 26162), (889, 22866), (1442, 14097), (1554, 13081), (1778, 11433), (2163, 9398), (2667, 7622), (3811, 5334), (4326, 4699)]