20561596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1493}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 39405744

約数和(自身を除く): 18844148

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 1493, 2986, 3443, 5972, 6886, 13772, 16423, 32846, 65692, 467309, 934618, 1869236, 5140399, 10280798, 20561596]

約数ペア:

[(1, 20561596), (2, 10280798), (4, 5140399), (11, 1869236), (22, 934618), (44, 467309), (313, 65692), (626, 32846), (1252, 16423), (1493, 13772), (2986, 6886), (3443, 5972)]