20740551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2971}}^1$

素因数の和:3166

約数の個数: 16

約数和(自身を含む): 29957760

約数和(自身を除く): 9217209

約数列:

[1, 3, 13, 39, 179, 537, 2327, 2971, 6981, 8913, 38623, 115869, 531809, 1595427, 6913517, 20740551]

約数ペア:

[(1, 20740551), (3, 6913517), (13, 1595427), (39, 531809), (179, 115869), (537, 38623), (2327, 8913), (2971, 6981)]