20734833

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 33571840

約数和(自身を除く): 12837007

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 331, 399, 471, 993, 1099, 2317, 2983, 3297, 6289, 6951, 8949, 18867, 20881, 44023, 51967, 62643, 132069, 155901, 363769, 987373, 1091307, 2962119, 6911611, 20734833]

約数ペア:

[(1, 20734833), (3, 6911611), (7, 2962119), (19, 1091307), (21, 987373), (57, 363769), (133, 155901), (157, 132069), (331, 62643), (399, 51967), (471, 44023), (993, 20881), (1099, 18867), (2317, 8949), (2983, 6951), (3297, 6289)]