20183880964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{427951}}^1$

素因数の和:428875

約数の個数: 24

約数和(自身を含む): 38080880768

約数和(自身を除く): 17896999804

約数列:

[1, 2, 4, 13, 26, 52, 907, 1814, 3628, 11791, 23582, 47164, 427951, 855902, 1711804, 5563363, 11126726, 22253452, 388151557, 776303114, 1552606228, 5045970241, 10091940482, 20183880964]

約数ペア:

[(1, 20183880964), (2, 10091940482), (4, 5045970241), (13, 1552606228), (26, 776303114), (52, 388151557), (907, 22253452), (1814, 11126726), (3628, 5563363), (11791, 1711804), (23582, 855902), (47164, 427951)]