20492740805

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{671123}}^1$

素因数の和:671356

約数の個数: 16

約数和(自身を含む): 25513449984

約数和(自身を除く): 5020709179

約数列:

[1, 5, 31, 155, 197, 985, 6107, 30535, 671123, 3355615, 20804813, 104024065, 132211231, 661056155, 4098548161, 20492740805]

約数ペア:

[(1, 20492740805), (5, 4098548161), (31, 661056155), (155, 132211231), (197, 104024065), (985, 20804813), (6107, 3355615), (30535, 671123)]