20298255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79601}}^1$

素因数の和:79626

約数の個数: 16

約数和(自身を含む): 34388064

約数和(自身を除く): 14089809

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79601, 238803, 398005, 1194015, 1353217, 4059651, 6766085, 20298255]

約数ペア:

[(1, 20298255), (3, 6766085), (5, 4059651), (15, 1353217), (17, 1194015), (51, 398005), (85, 238803), (255, 79601)]