20189869736

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{8220631}}^1$

素因数の和:8220944

約数の個数: 16

約数和(自身を含む): 37979319840

約数和(自身を除く): 17789450104

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 8220631, 16441262, 32882524, 65765048, 2523733717, 5047467434, 10094934868, 20189869736]

約数ペア:

[(1, 20189869736), (2, 10094934868), (4, 5047467434), (8, 2523733717), (307, 65765048), (614, 32882524), (1228, 16441262), (2456, 8220631)]