20698624

素因数分解:

$2^9\times {\mathrm{40427}}^1$

素因数の和:40445

約数の個数: 20

約数和(自身を含む): 41357844

約数和(自身を除く): 20659220

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40427, 80854, 161708, 323416, 646832, 1293664, 2587328, 5174656, 10349312, 20698624]

約数ペア:

[(1, 20698624), (2, 10349312), (4, 5174656), (8, 2587328), (16, 1293664), (32, 646832), (64, 323416), (128, 161708), (256, 80854), (512, 40427)]