20319048

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6563}}^1$

素因数の和:6618

約数の個数: 48

約数和(自身を含む): 56319120

約数和(自身を除く): 36000072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6563, 13126, 19689, 26252, 39378, 52504, 59067, 78756, 118134, 157512, 236268, 282209, 472536, 564418, 846627, 1128836, 1693254, 2257672, 2539881, 3386508, 5079762, 6773016, 10159524, 20319048]

約数ペア:

[(1, 20319048), (2, 10159524), (3, 6773016), (4, 5079762), (6, 3386508), (8, 2539881), (9, 2257672), (12, 1693254), (18, 1128836), (24, 846627), (36, 564418), (43, 472536), (72, 282209), (86, 236268), (129, 157512), (172, 118134), (258, 78756), (344, 59067), (387, 52504), (516, 39378), (774, 26252), (1032, 19689), (1548, 13126), (3096, 6563)]