20274728

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 38961000

約数和(自身を除く): 18686272

約数列:

[1, 2, 4, 8, 73, 146, 149, 233, 292, 298, 466, 584, 596, 932, 1192, 1864, 10877, 17009, 21754, 34018, 34717, 43508, 68036, 69434, 87016, 136072, 138868, 277736, 2534341, 5068682, 10137364, 20274728]

約数ペア:

[(1, 20274728), (2, 10137364), (4, 5068682), (8, 2534341), (73, 277736), (146, 138868), (149, 136072), (233, 87016), (292, 69434), (298, 68036), (466, 43508), (584, 34717), (596, 34018), (932, 21754), (1192, 17009), (1864, 10877)]