20345656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133853}}^1$

素因数の和:133878

約数の個数: 16

約数和(自身を含む): 40156200

約数和(自身を除く): 19810544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133853, 267706, 535412, 1070824, 2543207, 5086414, 10172828, 20345656]

約数ペア:

[(1, 20345656), (2, 10172828), (4, 5086414), (8, 2543207), (19, 1070824), (38, 535412), (76, 267706), (152, 133853)]