20973886

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:444

約数の個数: 24

約数和(自身を含む): 33797016

約数和(自身を除く): 12823130

約数列:

[1, 2, 17, 34, 131, 262, 277, 289, 554, 578, 2227, 4454, 4709, 9418, 36287, 37859, 72574, 75718, 80053, 160106, 616879, 1233758, 10486943, 20973886]

約数ペア:

[(1, 20973886), (2, 10486943), (17, 1233758), (34, 616879), (131, 160106), (262, 80053), (277, 75718), (289, 72574), (554, 37859), (578, 36287), (2227, 9418), (4454, 4709)]