20956327504

素因数分解:

$2^4\times 7^1\times {\mathrm{4091}}^1\times {\mathrm{45737}}^1$

素因数の和:49843

約数の個数: 40

約数和(自身を含む): 46415654208

約数和(自身を除く): 25459326704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 4091, 8182, 16364, 28637, 32728, 45737, 57274, 65456, 91474, 114548, 182948, 229096, 320159, 365896, 458192, 640318, 731792, 1280636, 2561272, 5122544, 187110067, 374220134, 748440268, 1309770469, 1496880536, 2619540938, 2993761072, 5239081876, 10478163752, 20956327504]

約数ペア:

[(1, 20956327504), (2, 10478163752), (4, 5239081876), (7, 2993761072), (8, 2619540938), (14, 1496880536), (16, 1309770469), (28, 748440268), (56, 374220134), (112, 187110067), (4091, 5122544), (8182, 2561272), (16364, 1280636), (28637, 731792), (32728, 640318), (45737, 458192), (57274, 365896), (65456, 320159), (91474, 229096), (114548, 182948)]