20349255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79801}}^1$

素因数の和:79826

約数の個数: 16

約数和(自身を含む): 34474464

約数和(自身を除く): 14125209

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79801, 239403, 399005, 1197015, 1356617, 4069851, 6783085, 20349255]

約数ペア:

[(1, 20349255), (3, 6783085), (5, 4069851), (15, 1356617), (17, 1197015), (51, 399005), (85, 239403), (255, 79801)]