20984928843

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{258623}}^1$

素因数の和:258723

約数の個数: 32

約数和(自身を含む): 31134191616

約数和(自身を除く): 10149262773

約数列:

[1, 3, 17, 37, 43, 51, 111, 129, 629, 731, 1591, 1887, 2193, 4773, 27047, 81141, 258623, 775869, 4396591, 9569051, 11120789, 13189773, 28707153, 33362367, 162673867, 189053413, 411469193, 488021601, 567160239, 1234407579, 6994976281, 20984928843]

約数ペア:

[(1, 20984928843), (3, 6994976281), (17, 1234407579), (37, 567160239), (43, 488021601), (51, 411469193), (111, 189053413), (129, 162673867), (629, 33362367), (731, 28707153), (1591, 13189773), (1887, 11120789), (2193, 9569051), (4773, 4396591), (27047, 775869), (81141, 258623)]