20857534159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{6197}}^1\times {\mathrm{43711}}^1$

素因数の和:49926

約数の個数: 16

約数和(自身を含む): 26008989696

約数和(自身を除く): 5151455537

約数列:

[1, 7, 11, 77, 6197, 43379, 43711, 68167, 305977, 477169, 480821, 3365747, 270877067, 1896139469, 2979647737, 20857534159]

約数ペア:

[(1, 20857534159), (7, 2979647737), (11, 1896139469), (77, 270877067), (6197, 3365747), (43379, 480821), (43711, 477169), (68167, 305977)]