20387748872

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{269}}^1\times {\mathrm{17909}}^1$

素因数の和:18230

約数の個数: 48

約数和(自身を含む): 40112131500

約数和(自身を除く): 19724382628

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 269, 529, 538, 1058, 1076, 2116, 2152, 4232, 6187, 12374, 17909, 24748, 35818, 49496, 71636, 142301, 143272, 284602, 411907, 569204, 823814, 1138408, 1647628, 3295256, 4817521, 9473861, 9635042, 18947722, 19270084, 37895444, 38540168, 75790888, 110802983, 221605966, 443211932, 886423864, 2548468609, 5096937218, 10193874436, 20387748872]

約数ペア:

[(1, 20387748872), (2, 10193874436), (4, 5096937218), (8, 2548468609), (23, 886423864), (46, 443211932), (92, 221605966), (184, 110802983), (269, 75790888), (529, 38540168), (538, 37895444), (1058, 19270084), (1076, 18947722), (2116, 9635042), (2152, 9473861), (4232, 4817521), (6187, 3295256), (12374, 1647628), (17909, 1138408), (24748, 823814), (35818, 569204), (49496, 411907), (71636, 284602), (142301, 143272)]