20136428144

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{30509}}^1$

素因数の和:30678

約数の個数: 80

約数和(自身を含む): 45762071040

約数和(自身を除く): 25625642896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 83, 112, 142, 166, 284, 332, 497, 568, 581, 664, 994, 1136, 1162, 1328, 1988, 2324, 3976, 4648, 5893, 7952, 9296, 11786, 23572, 30509, 41251, 47144, 61018, 82502, 94288, 122036, 165004, 213563, 244072, 330008, 427126, 488144, 660016, 854252, 1708504, 2166139, 2532247, 3417008, 4332278, 5064494, 8664556, 10128988, 15162973, 17329112, 17725729, 20257976, 30325946, 34658224, 35451458, 40515952, 60651892, 70902916, 121303784, 141805832, 179789537, 242607568, 283611664, 359579074, 719158148, 1258526759, 1438316296, 2517053518, 2876632592, 5034107036, 10068214072, 20136428144]

約数ペア:

[(1, 20136428144), (2, 10068214072), (4, 5034107036), (7, 2876632592), (8, 2517053518), (14, 1438316296), (16, 1258526759), (28, 719158148), (56, 359579074), (71, 283611664), (83, 242607568), (112, 179789537), (142, 141805832), (166, 121303784), (284, 70902916), (332, 60651892), (497, 40515952), (568, 35451458), (581, 34658224), (664, 30325946), (994, 20257976), (1136, 17725729), (1162, 17329112), (1328, 15162973), (1988, 10128988), (2324, 8664556), (3976, 5064494), (4648, 4332278), (5893, 3417008), (7952, 2532247), (9296, 2166139), (11786, 1708504), (23572, 854252), (30509, 660016), (41251, 488144), (47144, 427126), (61018, 330008), (82502, 244072), (94288, 213563), (122036, 165004)]