20790721317

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1\times {\mathrm{68071}}^1$

素因数の和:69804

約数の個数: 16

約数和(自身を含む): 28192699520

約数和(自身を除く): 7401978203

約数列:

[1, 3, 61, 183, 1669, 5007, 68071, 101809, 204213, 305427, 4152331, 12456993, 113610499, 340831497, 6930240439, 20790721317]

約数ペア:

[(1, 20790721317), (3, 6930240439), (61, 340831497), (183, 113610499), (1669, 12456993), (5007, 4152331), (68071, 305427), (101809, 204213)]