20120829

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29798400

約数和(自身を除く): 9677571

約数列:

[1, 3, 19, 31, 57, 59, 93, 177, 193, 579, 589, 1121, 1767, 1829, 3363, 3667, 5487, 5983, 11001, 11387, 17949, 34161, 34751, 104253, 113677, 216353, 341031, 352997, 649059, 1058991, 6706943, 20120829]

約数ペア:

[(1, 20120829), (3, 6706943), (19, 1058991), (31, 649059), (57, 352997), (59, 341031), (93, 216353), (177, 113677), (193, 104253), (579, 34751), (589, 34161), (1121, 17949), (1767, 11387), (1829, 11001), (3363, 5983), (3667, 5487)]