20617016

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16007}}^1$

素因数の和:16043

約数の個数: 32

約数和(自身を含む): 46103040

約数和(自身を除く): 25486024

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16007, 32014, 64028, 112049, 128056, 224098, 368161, 448196, 736322, 896392, 1472644, 2577127, 2945288, 5154254, 10308508, 20617016]

約数ペア:

[(1, 20617016), (2, 10308508), (4, 5154254), (7, 2945288), (8, 2577127), (14, 1472644), (23, 896392), (28, 736322), (46, 448196), (56, 368161), (92, 224098), (161, 128056), (184, 112049), (322, 64028), (644, 32014), (1288, 16007)]