20412973

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 25354240

約数和(自身を除く): 4941267

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4951, 34657, 94069, 153481, 658483, 1074367, 2916139, 20412973]

約数ペア:

[(1, 20412973), (7, 2916139), (19, 1074367), (31, 658483), (133, 153481), (217, 94069), (589, 34657), (4123, 4951)]