20755413

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 35385600

約数和(自身を除く): 14630187

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 569, 579, 1351, 1707, 1737, 3983, 4053, 5121, 5211, 11949, 12159, 15363, 35847, 36477, 107541, 109817, 329451, 768719, 988353, 2306157, 2965059, 6918471, 20755413]

約数ペア:

[(1, 20755413), (3, 6918471), (7, 2965059), (9, 2306157), (21, 988353), (27, 768719), (63, 329451), (189, 109817), (193, 107541), (569, 36477), (579, 35847), (1351, 15363), (1707, 12159), (1737, 11949), (3983, 5211), (4053, 5121)]