20913684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3371}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 54383616

約数和(自身を除く): 33469932

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 132, 141, 188, 282, 517, 564, 1034, 1551, 2068, 3102, 3371, 6204, 6742, 10113, 13484, 20226, 37081, 40452, 74162, 111243, 148324, 158437, 222486, 316874, 444972, 475311, 633748, 950622, 1742807, 1901244, 3485614, 5228421, 6971228, 10456842, 20913684]

約数ペア:

[(1, 20913684), (2, 10456842), (3, 6971228), (4, 5228421), (6, 3485614), (11, 1901244), (12, 1742807), (22, 950622), (33, 633748), (44, 475311), (47, 444972), (66, 316874), (94, 222486), (132, 158437), (141, 148324), (188, 111243), (282, 74162), (517, 40452), (564, 37081), (1034, 20226), (1551, 13484), (2068, 10113), (3102, 6742), (3371, 6204)]