20920288

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21089}}^1$

素因数の和:21130

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 21597152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21089, 42178, 84356, 168712, 337424, 653759, 674848, 1307518, 2615036, 5230072, 10460144, 20920288]

約数ペア:

[(1, 20920288), (2, 10460144), (4, 5230072), (8, 2615036), (16, 1307518), (31, 674848), (32, 653759), (62, 337424), (124, 168712), (248, 84356), (496, 42178), (992, 21089)]