20201006180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{17761}}^1$

素因数の和:17889

約数の個数: 96

約数和(自身を含む): 45924006240

約数和(自身を除く): 25723000060

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 53, 58, 74, 106, 116, 145, 148, 185, 212, 265, 290, 370, 530, 580, 740, 1060, 1073, 1537, 1961, 2146, 3074, 3922, 4292, 5365, 6148, 7685, 7844, 9805, 10730, 15370, 17761, 19610, 21460, 30740, 35522, 39220, 56869, 71044, 88805, 113738, 177610, 227476, 284345, 355220, 515069, 568690, 657157, 941333, 1030138, 1137380, 1314314, 1882666, 2060276, 2575345, 2628628, 3285785, 3765332, 4706665, 5150690, 6571570, 9413330, 10301380, 13143140, 18826660, 19057553, 27298657, 34829321, 38115106, 54597314, 69658642, 76230212, 95287765, 109194628, 136493285, 139317284, 174146605, 190575530, 272986570, 348293210, 381151060, 545973140, 696586420, 1010050309, 2020100618, 4040201236, 5050251545, 10100503090, 20201006180]

約数ペア:

[(1, 20201006180), (2, 10100503090), (4, 5050251545), (5, 4040201236), (10, 2020100618), (20, 1010050309), (29, 696586420), (37, 545973140), (53, 381151060), (58, 348293210), (74, 272986570), (106, 190575530), (116, 174146605), (145, 139317284), (148, 136493285), (185, 109194628), (212, 95287765), (265, 76230212), (290, 69658642), (370, 54597314), (530, 38115106), (580, 34829321), (740, 27298657), (1060, 19057553), (1073, 18826660), (1537, 13143140), (1961, 10301380), (2146, 9413330), (3074, 6571570), (3922, 5150690), (4292, 4706665), (5365, 3765332), (6148, 3285785), (7685, 2628628), (7844, 2575345), (9805, 2060276), (10730, 1882666), (15370, 1314314), (17761, 1137380), (19610, 1030138), (21460, 941333), (30740, 657157), (35522, 568690), (39220, 515069), (56869, 355220), (71044, 284345), (88805, 227476), (113738, 177610)]