20199018195

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{600893}}^1$

素因数の和:600993

約数の個数: 40

約数和(自身を含む): 36644919696

約数和(自身を除く): 16445901501

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 747, 1245, 2241, 3735, 6723, 11205, 33615, 600893, 1802679, 3004465, 5408037, 9013395, 16224111, 27040185, 48672333, 49874119, 81120555, 149622357, 243361665, 249370595, 448867071, 748111785, 1346601213, 2244335355, 4039803639, 6733006065, 20199018195]

約数ペア:

[(1, 20199018195), (3, 6733006065), (5, 4039803639), (9, 2244335355), (15, 1346601213), (27, 748111785), (45, 448867071), (81, 249370595), (83, 243361665), (135, 149622357), (249, 81120555), (405, 49874119), (415, 48672333), (747, 27040185), (1245, 16224111), (2241, 9013395), (3735, 5408037), (6723, 3004465), (11205, 1802679), (33615, 600893)]