20749571073

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{564937}}^1$

素因数の和:565014

約数の個数: 48

約数和(自身を含む): 38072301696

約数和(自身を除く): 17322730623

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 583, 693, 1113, 1749, 3339, 4081, 5247, 12243, 36729, 564937, 1694811, 3954559, 5084433, 6214307, 11863677, 18642921, 29941661, 35591031, 43500149, 55928763, 89824983, 130500447, 209591627, 269474949, 329358271, 391501341, 628774881, 988074813, 1886324643, 2305507897, 2964224439, 6916523691, 20749571073]

約数ペア:

[(1, 20749571073), (3, 6916523691), (7, 2964224439), (9, 2305507897), (11, 1886324643), (21, 988074813), (33, 628774881), (53, 391501341), (63, 329358271), (77, 269474949), (99, 209591627), (159, 130500447), (231, 89824983), (371, 55928763), (477, 43500149), (583, 35591031), (693, 29941661), (1113, 18642921), (1749, 11863677), (3339, 6214307), (4081, 5084433), (5247, 3954559), (12243, 1694811), (36729, 564937)]