20798799

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 33521664

約数和(自身を除く): 12722865

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 743, 903, 1333, 2229, 3999, 5201, 9331, 15603, 23033, 27993, 31949, 69099, 95847, 161231, 223643, 483693, 670929, 990419, 2971257, 6932933, 20798799]

約数ペア:

[(1, 20798799), (3, 6932933), (7, 2971257), (21, 990419), (31, 670929), (43, 483693), (93, 223643), (129, 161231), (217, 95847), (301, 69099), (651, 31949), (743, 27993), (903, 23033), (1333, 15603), (2229, 9331), (3999, 5201)]