20589060471

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1\times {\mathrm{12197}}^1$

素因数の和:14831

約数の個数: 32

約数和(自身を含む): 32401010688

約数和(自身を除く): 11811950217

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2593, 7779, 12197, 18151, 36591, 54453, 80383, 85379, 241149, 256137, 378107, 562681, 1134321, 1688043, 2646749, 7940247, 31626821, 94880463, 221387747, 664163241, 980431451, 2941294353, 6863020157, 20589060471]

約数ペア:

[(1, 20589060471), (3, 6863020157), (7, 2941294353), (21, 980431451), (31, 664163241), (93, 221387747), (217, 94880463), (651, 31626821), (2593, 7940247), (7779, 2646749), (12197, 1688043), (18151, 1134321), (36591, 562681), (54453, 378107), (80383, 256137), (85379, 241149)]