20417272

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8831}}^1$

素因数の和:8871

約数の個数: 24

約数和(自身を含む): 40671360

約数和(自身を除く): 20254088

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8831, 17662, 35324, 70648, 150127, 300254, 600508, 1201016, 2552159, 5104318, 10208636, 20417272]

約数ペア:

[(1, 20417272), (2, 10208636), (4, 5104318), (8, 2552159), (17, 1201016), (34, 600508), (68, 300254), (136, 150127), (289, 70648), (578, 35324), (1156, 17662), (2312, 8831)]