20107339

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 24810720

約数和(自身を除く): 4703381

約数列:

[1, 7, 19, 73, 109, 133, 361, 511, 763, 1387, 2071, 2527, 7957, 9709, 14497, 26353, 39349, 55699, 151183, 184471, 275443, 1058281, 2872477, 20107339]

約数ペア:

[(1, 20107339), (7, 2872477), (19, 1058281), (73, 275443), (109, 184471), (133, 151183), (361, 55699), (511, 39349), (763, 26353), (1387, 14497), (2071, 9709), (2527, 7957)]