20371689

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 32829440

約数和(自身を除く): 12457751

約数列:

[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 457, 1143, 1371, 1651, 3429, 4113, 4953, 5941, 12339, 14859, 17823, 44577, 53469, 58039, 160407, 174117, 522351, 754507, 1567053, 2263521, 6790563, 20371689]

約数ペア:

[(1, 20371689), (3, 6790563), (9, 2263521), (13, 1567053), (27, 754507), (39, 522351), (117, 174117), (127, 160407), (351, 58039), (381, 53469), (457, 44577), (1143, 17823), (1371, 14859), (1651, 12339), (3429, 5941), (4113, 4953)]