20556512

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10531}}^1$

素因数の和:10602

約数の個数: 24

約数和(自身を含む): 41137992

約数和(自身を除く): 20581480

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10531, 21062, 42124, 84248, 168496, 336992, 642391, 1284782, 2569564, 5139128, 10278256, 20556512]

約数ペア:

[(1, 20556512), (2, 10278256), (4, 5139128), (8, 2569564), (16, 1284782), (32, 642391), (61, 336992), (122, 168496), (244, 84248), (488, 42124), (976, 21062), (1952, 10531)]