20927018

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11239}}^1$

素因数の和:11274

約数の個数: 24

約数和(自身を含む): 38440800

約数和(自身を除く): 17513782

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11239, 22478, 78673, 157346, 213541, 427082, 550711, 1101422, 1494787, 2989574, 10463509, 20927018]

約数ペア:

[(1, 20927018), (2, 10463509), (7, 2989574), (14, 1494787), (19, 1101422), (38, 550711), (49, 427082), (98, 213541), (133, 157346), (266, 78673), (931, 22478), (1862, 11239)]