20239163

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3209}}^1$

素因数の和:3286

約数の個数: 16

約数和(自身を含む): 24960960

約数和(自身を除く): 4721797

約数列:

[1, 7, 17, 53, 119, 371, 901, 3209, 6307, 22463, 54553, 170077, 381871, 1190539, 2891309, 20239163]

約数ペア:

[(1, 20239163), (7, 2891309), (17, 1190539), (53, 381871), (119, 170077), (371, 54553), (901, 22463), (3209, 6307)]