20178044593

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{42509}}^1$

素因数の和:42661

約数の個数: 32

約数和(自身を含む): 25138713600

約数和(自身を除く): 4960669007

約数列:

[1, 7, 19, 43, 83, 133, 301, 581, 817, 1577, 3569, 5719, 11039, 24983, 42509, 67811, 297563, 474677, 807671, 1827887, 3528247, 5653697, 12795209, 24697729, 34729853, 67036693, 151714621, 243108971, 469256851, 1062002347, 2882577799, 20178044593]

約数ペア:

[(1, 20178044593), (7, 2882577799), (19, 1062002347), (43, 469256851), (83, 243108971), (133, 151714621), (301, 67036693), (581, 34729853), (817, 24697729), (1577, 12795209), (3569, 5653697), (5719, 3528247), (11039, 1827887), (24983, 807671), (42509, 474677), (67811, 297563)]