20164308940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{544099}}^1$

素因数の和:544234

約数の個数: 48

約数和(自身を含む): 45247356000

約数和(自身を除く): 25083047060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 9265, 18530, 37060, 544099, 1088198, 2176396, 2720495, 5440990, 9249683, 10881980, 18499366, 36998732, 46248415, 59306791, 92496830, 118613582, 184993660, 237227164, 296533955, 593067910, 1008215447, 1186135820, 2016430894, 4032861788, 5041077235, 10082154470, 20164308940]

約数ペア:

[(1, 20164308940), (2, 10082154470), (4, 5041077235), (5, 4032861788), (10, 2016430894), (17, 1186135820), (20, 1008215447), (34, 593067910), (68, 296533955), (85, 237227164), (109, 184993660), (170, 118613582), (218, 92496830), (340, 59306791), (436, 46248415), (545, 36998732), (1090, 18499366), (1853, 10881980), (2180, 9249683), (3706, 5440990), (7412, 2720495), (9265, 2176396), (18530, 1088198), (37060, 544099)]