20957481

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45659}}^1$

素因数の和:45685

約数の個数: 16

約数和(自身を含む): 32875200

約数和(自身を除く): 11917719

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45659, 136977, 410931, 776203, 1232793, 2328609, 6985827, 20957481]

約数ペア:

[(1, 20957481), (3, 6985827), (9, 2328609), (17, 1232793), (27, 776203), (51, 410931), (153, 136977), (459, 45659)]