20485276

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4229}}^1$

素因数の和:4413

約数の個数: 24

約数和(自身を含む): 41217120

約数和(自身を除く): 20731844

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4229, 4844, 8458, 16916, 29603, 59206, 118412, 731617, 1463234, 2926468, 5121319, 10242638, 20485276]

約数ペア:

[(1, 20485276), (2, 10242638), (4, 5121319), (7, 2926468), (14, 1463234), (28, 731617), (173, 118412), (346, 59206), (692, 29603), (1211, 16916), (2422, 8458), (4229, 4844)]