20427322565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{475441}}^1$

素因数の和:476120

約数の個数: 16

約数和(自身を含む): 26438378736

約数和(自身を除く): 6011056171

約数列:

[1, 5, 13, 65, 661, 3305, 8593, 42965, 475441, 2377205, 6180733, 30903665, 314266501, 1571332505, 4085464513, 20427322565]

約数ペア:

[(1, 20427322565), (5, 4085464513), (13, 1571332505), (65, 314266501), (661, 30903665), (3305, 6180733), (8593, 2377205), (42965, 475441)]