20658244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4057}}^1$

素因数の和:4147

約数の個数: 24

約数和(自身を含む): 38632160

約数和(自身を除く): 17973916

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 4057, 5092, 8114, 16228, 77083, 154166, 271819, 308332, 543638, 1087276, 5164561, 10329122, 20658244]

約数ペア:

[(1, 20658244), (2, 10329122), (4, 5164561), (19, 1087276), (38, 543638), (67, 308332), (76, 271819), (134, 154166), (268, 77083), (1273, 16228), (2546, 8114), (4057, 5092)]