20821526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2053}}^1$

素因数の和:2527

約数の個数: 16

約数和(自身を含む): 34162128

約数和(自身を除く): 13340602

約数列:

[1, 2, 11, 22, 461, 922, 2053, 4106, 5071, 10142, 22583, 45166, 946433, 1892866, 10410763, 20821526]

約数ペア:

[(1, 20821526), (2, 10410763), (11, 1892866), (22, 946433), (461, 45166), (922, 22583), (2053, 10142), (4106, 5071)]