20177160975

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{29201}}^1$

素因数の和:29337

約数の個数: 72

約数和(自身を含む): 37564751952

約数和(自身を除く): 17387590977

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 83, 111, 185, 225, 249, 333, 415, 555, 747, 925, 1245, 1665, 2075, 2775, 3071, 3735, 6225, 8325, 9213, 15355, 18675, 27639, 29201, 46065, 76775, 87603, 138195, 146005, 230325, 262809, 438015, 690975, 730025, 1080437, 1314045, 2190075, 2423683, 3241311, 5402185, 6570225, 7271049, 9723933, 12118415, 16206555, 21813147, 27010925, 36355245, 48619665, 60592075, 81032775, 89676271, 109065735, 181776225, 243098325, 269028813, 448381355, 545328675, 807086439, 1345144065, 2241906775, 4035432195, 6725720325, 20177160975]

約数ペア:

[(1, 20177160975), (3, 6725720325), (5, 4035432195), (9, 2241906775), (15, 1345144065), (25, 807086439), (37, 545328675), (45, 448381355), (75, 269028813), (83, 243098325), (111, 181776225), (185, 109065735), (225, 89676271), (249, 81032775), (333, 60592075), (415, 48619665), (555, 36355245), (747, 27010925), (925, 21813147), (1245, 16206555), (1665, 12118415), (2075, 9723933), (2775, 7271049), (3071, 6570225), (3735, 5402185), (6225, 3241311), (8325, 2423683), (9213, 2190075), (15355, 1314045), (18675, 1080437), (27639, 730025), (29201, 690975), (46065, 438015), (76775, 262809), (87603, 230325), (138195, 146005)]