20534905

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 4612679

約数列:

[1, 5, 107, 131, 293, 535, 655, 1465, 14017, 31351, 38383, 70085, 156755, 191915, 4106981, 20534905]

約数ペア:

[(1, 20534905), (5, 4106981), (107, 191915), (131, 156755), (293, 70085), (535, 38383), (655, 31351), (1465, 14017)]