20565207928

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{521}}^1\times {\mathrm{55439}}^1$

素因数の和:56055

約数の個数: 32

約数和(自身を含む): 39068568000

約数和(自身を除く): 18503360072

約数列:

[1, 2, 4, 8, 89, 178, 356, 521, 712, 1042, 2084, 4168, 46369, 55439, 92738, 110878, 185476, 221756, 370952, 443512, 4934071, 9868142, 19736284, 28883719, 39472568, 57767438, 115534876, 231069752, 2570650991, 5141301982, 10282603964, 20565207928]

約数ペア:

[(1, 20565207928), (2, 10282603964), (4, 5141301982), (8, 2570650991), (89, 231069752), (178, 115534876), (356, 57767438), (521, 39472568), (712, 28883719), (1042, 19736284), (2084, 9868142), (4168, 4934071), (46369, 443512), (55439, 370952), (92738, 221756), (110878, 185476)]