20174644

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8681}}^1$

素因数の和:8775

約数の個数: 24

約数和(自身を含む): 40840128

約数和(自身を除く): 20665484

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8681, 17362, 34724, 60767, 121534, 243068, 720523, 1441046, 2882092, 5043661, 10087322, 20174644]

約数ペア:

[(1, 20174644), (2, 10087322), (4, 5043661), (7, 2882092), (14, 1441046), (28, 720523), (83, 243068), (166, 121534), (332, 60767), (581, 34724), (1162, 17362), (2324, 8681)]