20338493

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4133}}^1$

素因数の和:4196

約数の個数: 16

約数和(自身を含む): 25134720

約数和(自身を除く): 4796227

約数列:

[1, 7, 19, 37, 133, 259, 703, 4133, 4921, 28931, 78527, 152921, 549689, 1070447, 2905499, 20338493]

約数ペア:

[(1, 20338493), (7, 2905499), (19, 1070447), (37, 549689), (133, 152921), (259, 78527), (703, 28931), (4133, 4921)]