20193305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9923}}^1$

素因数の和:9976

約数の個数: 16

約数和(自身を含む): 27152064

約数和(自身を除く): 6958759

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9923, 49615, 109153, 367151, 545765, 1835755, 4038661, 20193305]

約数ペア:

[(1, 20193305), (5, 4038661), (11, 1835755), (37, 545765), (55, 367151), (185, 109153), (407, 49615), (2035, 9923)]