20235817

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 24485760

約数和(自身を除く): 4249943

約数列:

[1, 7, 19, 133, 233, 653, 1631, 4427, 4571, 12407, 30989, 86849, 152149, 1065043, 2890831, 20235817]

約数ペア:

[(1, 20235817), (7, 2890831), (19, 1065043), (133, 152149), (233, 86849), (653, 30989), (1631, 12407), (4427, 4571)]