20480434

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 34272000

約数和(自身を除く): 13791566

約数列:

[1, 2, 13, 26, 59, 79, 118, 158, 169, 338, 767, 1027, 1534, 2054, 2197, 4394, 4661, 9322, 9971, 13351, 19942, 26702, 60593, 121186, 129623, 173563, 259246, 347126, 787709, 1575418, 10240217, 20480434]

約数ペア:

[(1, 20480434), (2, 10240217), (13, 1575418), (26, 787709), (59, 347126), (79, 259246), (118, 173563), (158, 129623), (169, 121186), (338, 60593), (767, 26702), (1027, 19942), (1534, 13351), (2054, 9971), (2197, 9322), (4394, 4661)]