20839412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7069}}^1$

素因数の和:7151

約数の個数: 24

約数和(自身を含む): 40383840

約数和(自身を除く): 19544428

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7069, 14138, 28276, 77759, 155518, 311036, 473623, 947246, 1894492, 5209853, 10419706, 20839412]

約数ペア:

[(1, 20839412), (2, 10419706), (4, 5209853), (11, 1894492), (22, 947246), (44, 473623), (67, 311036), (134, 155518), (268, 77759), (737, 28276), (1474, 14138), (2948, 7069)]