20834697

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 32542720

約数和(自身を除く): 11708023

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 907, 1209, 1767, 2721, 7657, 11791, 17233, 22971, 28117, 35373, 51699, 84351, 224029, 365521, 534223, 672087, 1096563, 1602669, 6944899, 20834697]

約数ペア:

[(1, 20834697), (3, 6944899), (13, 1602669), (19, 1096563), (31, 672087), (39, 534223), (57, 365521), (93, 224029), (247, 84351), (403, 51699), (589, 35373), (741, 28117), (907, 22971), (1209, 17233), (1767, 11791), (2721, 7657)]