20070698921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{10979}}^1\times {\mathrm{20089}}^1$

素因数の和:31088

約数の個数: 16

約数和(自身を含む): 24705878400

約数和(自身を除く): 4635179479

約数列:

[1, 7, 13, 91, 10979, 20089, 76853, 140623, 142727, 261157, 999089, 1828099, 220557131, 1543899917, 2867242703, 20070698921]

約数ペア:

[(1, 20070698921), (7, 2867242703), (13, 1543899917), (91, 220557131), (10979, 1828099), (20089, 999089), (76853, 261157), (140623, 142727)]