20167020728

素因数分解:

$2^3\times {\mathrm{1811}}^1\times {\mathrm{1391981}}^1$

素因数の和:1393798

約数の個数: 16

約数和(自身を含む): 37834070760

約数和(自身を除く): 17667050032

約数列:

[1, 2, 4, 8, 1811, 3622, 7244, 14488, 1391981, 2783962, 5567924, 11135848, 2520877591, 5041755182, 10083510364, 20167020728]

約数ペア:

[(1, 20167020728), (2, 10083510364), (4, 5041755182), (8, 2520877591), (1811, 11135848), (3622, 5567924), (7244, 2783962), (14488, 1391981)]