20764844

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 37582608

約数和(自身を除く): 16817764

約数列:

[1, 2, 4, 37, 74, 148, 173, 346, 692, 811, 1622, 3244, 6401, 12802, 25604, 30007, 60014, 120028, 140303, 280606, 561212, 5191211, 10382422, 20764844]

約数ペア:

[(1, 20764844), (2, 10382422), (4, 5191211), (37, 561212), (74, 280606), (148, 140303), (173, 120028), (346, 60014), (692, 30007), (811, 25604), (1622, 12802), (3244, 6401)]