20162173820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1069}}^1\times {\mathrm{4787}}^1$

素因数の和:6062

約数の個数: 48

約数和(自身を含む): 42604198560

約数和(自身を除く): 22442024740

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1069, 1970, 2138, 3940, 4276, 4787, 5345, 9574, 10690, 19148, 21380, 23935, 47870, 95740, 210593, 421186, 842372, 943039, 1052965, 1886078, 2105930, 3772156, 4211860, 4715195, 5117303, 9430390, 10234606, 18860780, 20469212, 25586515, 51173030, 102346060, 1008108691, 2016217382, 4032434764, 5040543455, 10081086910, 20162173820]

約数ペア:

[(1, 20162173820), (2, 10081086910), (4, 5040543455), (5, 4032434764), (10, 2016217382), (20, 1008108691), (197, 102346060), (394, 51173030), (788, 25586515), (985, 20469212), (1069, 18860780), (1970, 10234606), (2138, 9430390), (3940, 5117303), (4276, 4715195), (4787, 4211860), (5345, 3772156), (9574, 2105930), (10690, 1886078), (19148, 1052965), (21380, 943039), (23935, 842372), (47870, 421186), (95740, 210593)]