20918953

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 23443200

約数和(自身を除く): 2524247

約数列:

[1, 11, 73, 109, 239, 803, 1199, 2629, 7957, 17447, 26051, 87527, 191917, 286561, 1901723, 20918953]

約数ペア:

[(1, 20918953), (11, 1901723), (73, 286561), (109, 191917), (239, 87527), (803, 26051), (1199, 17447), (2629, 7957)]