20297795

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 9354685

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 233, 655, 665, 917, 1165, 1631, 2489, 4427, 4585, 8155, 12445, 17423, 22135, 30523, 30989, 87115, 152615, 154945, 213661, 579937, 1068305, 2899685, 4059559, 20297795]

約数ペア:

[(1, 20297795), (5, 4059559), (7, 2899685), (19, 1068305), (35, 579937), (95, 213661), (131, 154945), (133, 152615), (233, 87115), (655, 30989), (665, 30523), (917, 22135), (1165, 17423), (1631, 12445), (2489, 8155), (4427, 4585)]