20402091

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44449}}^1$

素因数の和:44475

約数の個数: 16

約数和(自身を含む): 32004000

約数和(自身を除く): 11601909

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44449, 133347, 400041, 755633, 1200123, 2266899, 6800697, 20402091]

約数ペア:

[(1, 20402091), (3, 6800697), (9, 2266899), (17, 1200123), (27, 755633), (51, 400041), (153, 133347), (459, 44449)]