20351793

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4637}}^1$

素因数の和:4677

約数の個数: 32

約数和(自身を含む): 35619840

約数和(自身を除く): 15268047

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4637, 13911, 32459, 51007, 88103, 97377, 153021, 264309, 357049, 616721, 969133, 1071147, 1850163, 2907399, 6783931, 20351793]

約数ペア:

[(1, 20351793), (3, 6783931), (7, 2907399), (11, 1850163), (19, 1071147), (21, 969133), (33, 616721), (57, 357049), (77, 264309), (133, 153021), (209, 97377), (231, 88103), (399, 51007), (627, 32459), (1463, 13911), (4389, 4637)]