20349541821

素因数分解:

$3^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1304207}}^1$

素因数の和:1304960

約数の個数: 16

約数和(自身を含む): 31050584064

約数和(自身を除く): 10701042243

約数列:

[1, 3, 7, 21, 743, 2229, 5201, 15603, 1304207, 3912621, 9129449, 27388347, 969025801, 2907077403, 6783180607, 20349541821]

約数ペア:

[(1, 20349541821), (3, 6783180607), (7, 2907077403), (21, 969025801), (743, 27388347), (2229, 9129449), (5201, 3912621), (15603, 1304207)]