20090468405

素因数分解:

$5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{871037}}^1$

素因数の和:871708

約数の個数: 16

約数和(自身を含む): 27594483840

約数和(自身を除く): 7504015435

約数列:

[1, 5, 7, 35, 659, 3295, 4613, 23065, 871037, 4355185, 6097259, 30486295, 574013383, 2870066915, 4018093681, 20090468405]

約数ペア:

[(1, 20090468405), (5, 4018093681), (7, 2870066915), (35, 574013383), (659, 30486295), (3295, 6097259), (4613, 4355185), (23065, 871037)]