20161576490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{265249}}^1$

素因数の和:265958

約数の個数: 32

約数和(自身を含む): 39647448000

約数和(自身を除く): 19485871510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 691, 1382, 3455, 6910, 7601, 15202, 38005, 76010, 265249, 530498, 1326245, 2652490, 2917739, 5835478, 14588695, 29177390, 183287059, 366574118, 916435295, 1832870590, 2016157649, 4032315298, 10080788245, 20161576490]

約数ペア:

[(1, 20161576490), (2, 10080788245), (5, 4032315298), (10, 2016157649), (11, 1832870590), (22, 916435295), (55, 366574118), (110, 183287059), (691, 29177390), (1382, 14588695), (3455, 5835478), (6910, 2917739), (7601, 2652490), (15202, 1326245), (38005, 530498), (76010, 265249)]