20518185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59473}}^1$

素因数の和:59504

約数の個数: 16

約数和(自身を含む): 34257024

約数和(自身を除く): 13738839

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59473, 178419, 297365, 892095, 1367879, 4103637, 6839395, 20518185]

約数ペア:

[(1, 20518185), (3, 6839395), (5, 4103637), (15, 1367879), (23, 892095), (69, 297365), (115, 178419), (345, 59473)]