20946310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2473}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 47382048

約数和(自身を除く): 26435738

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2473, 4235, 4946, 8470, 12365, 17311, 24730, 27203, 34622, 54406, 86555, 136015, 173110, 190421, 272030, 299233, 380842, 598466, 952105, 1496165, 1904210, 2094631, 2992330, 4189262, 10473155, 20946310]

約数ペア:

[(1, 20946310), (2, 10473155), (5, 4189262), (7, 2992330), (10, 2094631), (11, 1904210), (14, 1496165), (22, 952105), (35, 598466), (55, 380842), (70, 299233), (77, 272030), (110, 190421), (121, 173110), (154, 136015), (242, 86555), (385, 54406), (605, 34622), (770, 27203), (847, 24730), (1210, 17311), (1694, 12365), (2473, 8470), (4235, 4946)]