20485456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55667}}^1$

素因数の和:55698

約数の個数: 20

約数和(自身を含む): 41416992

約数和(自身を除く): 20931536

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55667, 111334, 222668, 445336, 890672, 1280341, 2560682, 5121364, 10242728, 20485456]

約数ペア:

[(1, 20485456), (2, 10242728), (4, 5121364), (8, 2560682), (16, 1280341), (23, 890672), (46, 445336), (92, 222668), (184, 111334), (368, 55667)]