20177055745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{988829}}^1$

素因数の和:988905

約数の個数: 32

約数和(自身を含む): 30756568320

約数和(自身を除く): 10579512575

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1855, 2915, 4081, 20405, 988829, 4944145, 6921803, 10877119, 34609015, 52407937, 54385595, 76139833, 262039685, 366855559, 380699165, 576487307, 1834277795, 2882436535, 4035411149, 20177055745]

約数ペア:

[(1, 20177055745), (5, 4035411149), (7, 2882436535), (11, 1834277795), (35, 576487307), (53, 380699165), (55, 366855559), (77, 262039685), (265, 76139833), (371, 54385595), (385, 52407937), (583, 34609015), (1855, 10877119), (2915, 6921803), (4081, 4944145), (20405, 988829)]