20369573

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 25681920

約数和(自身を除く): 5312347

約数列:

[1, 7, 31, 37, 43, 59, 217, 259, 301, 413, 1147, 1333, 1591, 1829, 2183, 2537, 8029, 9331, 11137, 12803, 15281, 17759, 49321, 67673, 78647, 93869, 345247, 473711, 550529, 657083, 2909939, 20369573]

約数ペア:

[(1, 20369573), (7, 2909939), (31, 657083), (37, 550529), (43, 473711), (59, 345247), (217, 93869), (259, 78647), (301, 67673), (413, 49321), (1147, 17759), (1333, 15281), (1591, 12803), (1829, 11137), (2183, 9331), (2537, 8029)]