20216398428

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1077863}}^1$

素因数の和:1078394

約数の個数: 36

約数和(自身を含む): 51200695728

約数和(自身を除く): 30984297300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1563, 2084, 3126, 4689, 6252, 9378, 18756, 1077863, 2155726, 3233589, 4311452, 6467178, 9700767, 12934356, 19401534, 38803068, 561566623, 1123133246, 1684699869, 2246266492, 3369399738, 5054099607, 6738799476, 10108199214, 20216398428]

約数ペア:

[(1, 20216398428), (2, 10108199214), (3, 6738799476), (4, 5054099607), (6, 3369399738), (9, 2246266492), (12, 1684699869), (18, 1123133246), (36, 561566623), (521, 38803068), (1042, 19401534), (1563, 12934356), (2084, 9700767), (3126, 6467178), (4689, 4311452), (6252, 3233589), (9378, 2155726), (18756, 1077863)]