20370831

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 31664640

約数和(自身を除く): 11293809

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 743, 1443, 2109, 2229, 9139, 9659, 14117, 27417, 27491, 28977, 42351, 82473, 183521, 357383, 522329, 550563, 1072149, 1566987, 6790277, 20370831]

約数ペア:

[(1, 20370831), (3, 6790277), (13, 1566987), (19, 1072149), (37, 550563), (39, 522329), (57, 357383), (111, 183521), (247, 82473), (481, 42351), (703, 28977), (741, 27491), (743, 27417), (1443, 14117), (2109, 9659), (2229, 9139)]