20964992

素因数分解:

$2^7\times {\mathrm{163789}}^1$

素因数の和:163803

約数の個数: 16

約数和(自身を含む): 41766450

約数和(自身を除く): 20801458

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163789, 327578, 655156, 1310312, 2620624, 5241248, 10482496, 20964992]

約数ペア:

[(1, 20964992), (2, 10482496), (4, 5241248), (8, 2620624), (16, 1310312), (32, 655156), (64, 327578), (128, 163789)]