20182256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 41492880

約数和(自身を除く): 21310624

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 197, 304, 337, 394, 674, 788, 1348, 1576, 2696, 3152, 3743, 5392, 6403, 7486, 12806, 14972, 25612, 29944, 51224, 59888, 66389, 102448, 132778, 265556, 531112, 1062224, 1261391, 2522782, 5045564, 10091128, 20182256]

約数ペア:

[(1, 20182256), (2, 10091128), (4, 5045564), (8, 2522782), (16, 1261391), (19, 1062224), (38, 531112), (76, 265556), (152, 132778), (197, 102448), (304, 66389), (337, 59888), (394, 51224), (674, 29944), (788, 25612), (1348, 14972), (1576, 12806), (2696, 7486), (3152, 6403), (3743, 5392)]