20513304580

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1\times {\mathrm{9601}}^1$

素因数の和:10264

約数の個数: 48

約数和(自身を含む): 43346577456

約数和(自身を除く): 22833272876

約数列:

[1, 2, 4, 5, 10, 20, 317, 337, 634, 674, 1268, 1348, 1585, 1685, 3170, 3370, 6340, 6740, 9601, 19202, 38404, 48005, 96010, 106829, 192020, 213658, 427316, 534145, 1068290, 2136580, 3043517, 3235537, 6087034, 6471074, 12174068, 12942148, 15217585, 16177685, 30435170, 32355370, 60870340, 64710740, 1025665229, 2051330458, 4102660916, 5128326145, 10256652290, 20513304580]

約数ペア:

[(1, 20513304580), (2, 10256652290), (4, 5128326145), (5, 4102660916), (10, 2051330458), (20, 1025665229), (317, 64710740), (337, 60870340), (634, 32355370), (674, 30435170), (1268, 16177685), (1348, 15217585), (1585, 12942148), (1685, 12174068), (3170, 6471074), (3370, 6087034), (6340, 3235537), (6740, 3043517), (9601, 2136580), (19202, 1068290), (38404, 534145), (48005, 427316), (96010, 213658), (106829, 192020)]