20297719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 23642080

約数和(自身を除く): 3344361

約数列:

[1, 13, 19, 37, 247, 481, 703, 2221, 9139, 28873, 42199, 82177, 548587, 1068301, 1561363, 20297719]

約数ペア:

[(1, 20297719), (13, 1561363), (19, 1068301), (37, 548587), (247, 82177), (481, 42199), (703, 28873), (2221, 9139)]