20812768

素因数分解:

$2^5\times {\mathrm{263}}^1\times {\mathrm{2473}}^1$

素因数の和:2746

約数の個数: 24

約数和(自身を含む): 41147568

約数和(自身を除く): 20334800

約数列:

[1, 2, 4, 8, 16, 32, 263, 526, 1052, 2104, 2473, 4208, 4946, 8416, 9892, 19784, 39568, 79136, 650399, 1300798, 2601596, 5203192, 10406384, 20812768]

約数ペア:

[(1, 20812768), (2, 10406384), (4, 5203192), (8, 2601596), (16, 1300798), (32, 650399), (263, 79136), (526, 39568), (1052, 19784), (2104, 9892), (2473, 8416), (4208, 4946)]