20218993937

素因数分解:

${\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{4243}}^1$

素因数の和:4904

約数の個数: 16

約数和(自身を含む): 20713436160

約数和(自身を除く): 494442223

約数列:

[1, 61, 191, 409, 4243, 11651, 24949, 78119, 258823, 810413, 1735387, 4765259, 49435193, 105858607, 331458917, 20218993937]

約数ペア:

[(1, 20218993937), (61, 331458917), (191, 105858607), (409, 49435193), (4243, 4765259), (11651, 1735387), (24949, 810413), (78119, 258823)]