20199821588

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{967}}^1$

素因数の和:1225

約数の個数: 96

約数和(自身を含む): 39055779840

約数和(自身を除く): 18855958252

約数列:

[1, 2, 4, 29, 31, 37, 58, 62, 74, 116, 124, 148, 157, 314, 628, 899, 967, 1073, 1147, 1798, 1934, 2146, 2294, 3596, 3868, 4292, 4553, 4588, 4867, 5809, 9106, 9734, 11618, 18212, 19468, 23236, 28043, 29977, 33263, 35779, 56086, 59954, 66526, 71558, 112172, 119908, 133052, 141143, 143116, 151819, 168461, 180079, 282286, 303638, 336922, 360158, 564572, 607276, 673844, 720316, 869333, 1037591, 1109149, 1738666, 2075182, 2218298, 3477332, 4150364, 4402751, 4436596, 4706389, 5222291, 5617303, 8805502, 9412778, 10444582, 11234606, 17611004, 18825556, 20889164, 22469212, 32165321, 64330642, 128661284, 136485281, 162901787, 174136393, 272970562, 325803574, 348272786, 545941124, 651607148, 696545572, 5049955397, 10099910794, 20199821588]

約数ペア:

[(1, 20199821588), (2, 10099910794), (4, 5049955397), (29, 696545572), (31, 651607148), (37, 545941124), (58, 348272786), (62, 325803574), (74, 272970562), (116, 174136393), (124, 162901787), (148, 136485281), (157, 128661284), (314, 64330642), (628, 32165321), (899, 22469212), (967, 20889164), (1073, 18825556), (1147, 17611004), (1798, 11234606), (1934, 10444582), (2146, 9412778), (2294, 8805502), (3596, 5617303), (3868, 5222291), (4292, 4706389), (4553, 4436596), (4588, 4402751), (4867, 4150364), (5809, 3477332), (9106, 2218298), (9734, 2075182), (11618, 1738666), (18212, 1109149), (19468, 1037591), (23236, 869333), (28043, 720316), (29977, 673844), (33263, 607276), (35779, 564572), (56086, 360158), (59954, 336922), (66526, 303638), (71558, 282286), (112172, 180079), (119908, 168461), (133052, 151819), (141143, 143116)]