20539832

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 39599280

約数和(自身を除く): 19059448

約数列:

[1, 2, 4, 8, 53, 106, 193, 212, 251, 386, 424, 502, 772, 1004, 1544, 2008, 10229, 13303, 20458, 26606, 40916, 48443, 53212, 81832, 96886, 106424, 193772, 387544, 2567479, 5134958, 10269916, 20539832]

約数ペア:

[(1, 20539832), (2, 10269916), (4, 5134958), (8, 2567479), (53, 387544), (106, 193772), (193, 106424), (212, 96886), (251, 81832), (386, 53212), (424, 48443), (502, 40916), (772, 26606), (1004, 20458), (1544, 13303), (2008, 10229)]