20880736

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{2539}}^1$

素因数の和:2806

約数の個数: 24

約数和(自身を含む): 41285160

約数和(自身を除く): 20404424

約数列:

[1, 2, 4, 8, 16, 32, 257, 514, 1028, 2056, 2539, 4112, 5078, 8224, 10156, 20312, 40624, 81248, 652523, 1305046, 2610092, 5220184, 10440368, 20880736]

約数ペア:

[(1, 20880736), (2, 10440368), (4, 5220184), (8, 2610092), (16, 1305046), (32, 652523), (257, 81248), (514, 40624), (1028, 20312), (2056, 10156), (2539, 8224), (4112, 5078)]