20907695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7589}}^1$

素因数の和:7642

約数の個数: 16

約数和(自身を含む): 27324000

約数和(自身を除く): 6416305

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 7589, 37945, 144191, 220081, 720955, 1100405, 4181539, 20907695]

約数ペア:

[(1, 20907695), (5, 4181539), (19, 1100405), (29, 720955), (95, 220081), (145, 144191), (551, 37945), (2755, 7589)]