20349310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28661}}^1$

素因数の和:28739

約数の個数: 16

約数和(自身を含む): 37145952

約数和(自身を除く): 16796642

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28661, 57322, 143305, 286610, 2034931, 4069862, 10174655, 20349310]

約数ペア:

[(1, 20349310), (2, 10174655), (5, 4069862), (10, 2034931), (71, 286610), (142, 143305), (355, 57322), (710, 28661)]