20220277

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 26763264

約数和(自身を除く): 6542987

約数列:

[1, 7, 11, 31, 43, 77, 197, 217, 301, 341, 473, 1333, 1379, 2167, 2387, 3311, 6107, 8471, 9331, 14663, 15169, 42749, 59297, 67177, 93181, 102641, 262601, 470239, 652267, 1838207, 2888611, 20220277]

約数ペア:

[(1, 20220277), (7, 2888611), (11, 1838207), (31, 652267), (43, 470239), (77, 262601), (197, 102641), (217, 93181), (301, 67177), (341, 59297), (473, 42749), (1333, 15169), (1379, 14663), (2167, 9331), (2387, 8471), (3311, 6107)]