20497068

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13241}}^1$

素因数の和:13294

約数の個数: 36

約数和(自身を含む): 53020968

約数和(自身を除く): 32523900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13241, 26482, 39723, 52964, 79446, 119169, 158892, 238338, 476676, 569363, 1138726, 1708089, 2277452, 3416178, 5124267, 6832356, 10248534, 20497068]

約数ペア:

[(1, 20497068), (2, 10248534), (3, 6832356), (4, 5124267), (6, 3416178), (9, 2277452), (12, 1708089), (18, 1138726), (36, 569363), (43, 476676), (86, 238338), (129, 158892), (172, 119169), (258, 79446), (387, 52964), (516, 39723), (774, 26482), (1548, 13241)]