20514835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 29253312

約数和(自身を除く): 8738477

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 593, 629, 935, 2035, 2965, 3145, 6523, 6919, 10081, 21941, 32615, 34595, 50405, 109705, 110891, 241351, 372997, 554455, 1206755, 1864985, 4102967, 20514835]

約数ペア:

[(1, 20514835), (5, 4102967), (11, 1864985), (17, 1206755), (37, 554455), (55, 372997), (85, 241351), (185, 110891), (187, 109705), (407, 50405), (593, 34595), (629, 32615), (935, 21941), (2035, 10081), (2965, 6919), (3145, 6523)]