20216143868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2485999}}^1$

素因数の和:2486129

約数の個数: 24

約数和(自身を含む): 37588320000

約数和(自身を除く): 17372176132

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 4066, 8132, 2485999, 4971998, 9943996, 47233981, 94467962, 188935924, 266001893, 532003786, 1064007572, 5054035967, 10108071934, 20216143868]

約数ペア:

[(1, 20216143868), (2, 10108071934), (4, 5054035967), (19, 1064007572), (38, 532003786), (76, 266001893), (107, 188935924), (214, 94467962), (428, 47233981), (2033, 9943996), (4066, 4971998), (8132, 2485999)]