20344608872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{121789}}^1$

素因数の和:121978

約数の個数: 64

約数和(自身を含む): 46182768000

約数和(自身を除く): 25838159128

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 157, 266, 314, 532, 628, 1064, 1099, 1256, 2198, 2983, 4396, 5966, 8792, 11932, 20881, 23864, 41762, 83524, 121789, 167048, 243578, 487156, 852523, 974312, 1705046, 2313991, 3410092, 4627982, 6820184, 9255964, 16197937, 18511928, 19120873, 32395874, 38241746, 64791748, 76483492, 129583496, 133846111, 152966984, 267692222, 363296587, 535384444, 726593174, 1070768888, 1453186348, 2543076109, 2906372696, 5086152218, 10172304436, 20344608872]

約数ペア:

[(1, 20344608872), (2, 10172304436), (4, 5086152218), (7, 2906372696), (8, 2543076109), (14, 1453186348), (19, 1070768888), (28, 726593174), (38, 535384444), (56, 363296587), (76, 267692222), (133, 152966984), (152, 133846111), (157, 129583496), (266, 76483492), (314, 64791748), (532, 38241746), (628, 32395874), (1064, 19120873), (1099, 18511928), (1256, 16197937), (2198, 9255964), (2983, 6820184), (4396, 4627982), (5966, 3410092), (8792, 2313991), (11932, 1705046), (20881, 974312), (23864, 852523), (41762, 487156), (83524, 243578), (121789, 167048)]