20258601980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1\times {\mathrm{4657}}^1$

素因数の和:5958

約数の個数: 48

約数和(自身を含む): 42805156800

約数和(自身を除く): 22546554820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1093, 1990, 2186, 3980, 4372, 4657, 5465, 9314, 10930, 18628, 21860, 23285, 46570, 93140, 217507, 435014, 870028, 926743, 1087535, 1853486, 2175070, 3706972, 4350140, 4633715, 5090101, 9267430, 10180202, 18534860, 20360404, 25450505, 50901010, 101802020, 1012930099, 2025860198, 4051720396, 5064650495, 10129300990, 20258601980]

約数ペア:

[(1, 20258601980), (2, 10129300990), (4, 5064650495), (5, 4051720396), (10, 2025860198), (20, 1012930099), (199, 101802020), (398, 50901010), (796, 25450505), (995, 20360404), (1093, 18534860), (1990, 10180202), (2186, 9267430), (3980, 5090101), (4372, 4633715), (4657, 4350140), (5465, 3706972), (9314, 2175070), (10930, 1853486), (18628, 1087535), (21860, 926743), (23285, 870028), (46570, 435014), (93140, 217507)]