20486560915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{717191}}^1$

素因数の和:717422

約数の個数: 16

約数和(自身を含む): 25560722880

約数和(自身を除く): 5074161965

約数列:

[1, 5, 29, 145, 197, 985, 5713, 28565, 717191, 3585955, 20798539, 103992695, 141286627, 706433135, 4097312183, 20486560915]

約数ペア:

[(1, 20486560915), (5, 4097312183), (29, 706433135), (145, 141286627), (197, 103992695), (985, 20798539), (5713, 3585955), (28565, 717191)]