20736256

素因数分解:

$2^8\times {\mathrm{81001}}^1$

素因数の和:81017

約数の個数: 18

約数和(自身を含む): 41392022

約数和(自身を除く): 20655766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81001, 162002, 324004, 648008, 1296016, 2592032, 5184064, 10368128, 20736256]

約数ペア:

[(1, 20736256), (2, 10368128), (4, 5184064), (8, 2592032), (16, 1296016), (32, 648008), (64, 324004), (128, 162002), (256, 81001)]