20679538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2039}}^1$

素因数の和:2513

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 13249742

約数列:

[1, 2, 11, 22, 461, 922, 2039, 4078, 5071, 10142, 22429, 44858, 939979, 1879958, 10339769, 20679538]

約数ペア:

[(1, 20679538), (2, 10339769), (11, 1879958), (22, 939979), (461, 44858), (922, 22429), (2039, 10142), (4078, 5071)]