20858827

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 24812480

約数和(自身を除く): 3953653

約数列:

[1, 11, 19, 43, 121, 209, 211, 473, 817, 2299, 2321, 4009, 5203, 8987, 9073, 25531, 44099, 98857, 99803, 172387, 485089, 1097833, 1896257, 20858827]

約数ペア:

[(1, 20858827), (11, 1896257), (19, 1097833), (43, 485089), (121, 172387), (209, 99803), (211, 98857), (473, 44099), (817, 25531), (2299, 9073), (2321, 8987), (4009, 5203)]