20203905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79231}}^1$

素因数の和:79256

約数の個数: 16

約数和(自身を含む): 34228224

約数和(自身を除く): 14024319

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79231, 237693, 396155, 1188465, 1346927, 4040781, 6734635, 20203905]

約数ペア:

[(1, 20203905), (3, 6734635), (5, 4040781), (15, 1346927), (17, 1188465), (51, 396155), (85, 237693), (255, 79231)]