20804468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{599}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 38472000

約数和(自身を除く): 17667532

約数列:

[1, 2, 4, 19, 38, 76, 457, 599, 914, 1198, 1828, 2396, 8683, 11381, 17366, 22762, 34732, 45524, 273743, 547486, 1094972, 5201117, 10402234, 20804468]

約数ペア:

[(1, 20804468), (2, 10402234), (4, 5201117), (19, 1094972), (38, 547486), (76, 273743), (457, 45524), (599, 34732), (914, 22762), (1198, 17366), (1828, 11381), (2396, 8683)]