20410579

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 25347168

約数和(自身を除く): 4936589

約数列:

[1, 7, 19, 41, 133, 197, 287, 361, 779, 1379, 2527, 3743, 5453, 8077, 14801, 26201, 56539, 71117, 103607, 153463, 497819, 1074241, 2915797, 20410579]

約数ペア:

[(1, 20410579), (7, 2915797), (19, 1074241), (41, 497819), (133, 153463), (197, 103607), (287, 71117), (361, 56539), (779, 26201), (1379, 14801), (2527, 8077), (3743, 5453)]