20448564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 50975232

約数和(自身を除く): 30526668

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1723, 1978, 2967, 3446, 3956, 5169, 5934, 6892, 10338, 11868, 20676, 39629, 74089, 79258, 118887, 148178, 158516, 222267, 237774, 296356, 444534, 475548, 889068, 1704047, 3408094, 5112141, 6816188, 10224282, 20448564]

約数ペア:

[(1, 20448564), (2, 10224282), (3, 6816188), (4, 5112141), (6, 3408094), (12, 1704047), (23, 889068), (43, 475548), (46, 444534), (69, 296356), (86, 237774), (92, 222267), (129, 158516), (138, 148178), (172, 118887), (258, 79258), (276, 74089), (516, 39629), (989, 20676), (1723, 11868), (1978, 10338), (2967, 6892), (3446, 5934), (3956, 5169)]