20521093089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1196077}}^1$

素因数の和:1196149

約数の個数: 32

約数和(自身を含む): 33681556480

約数和(自身を除く): 13160463391

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 17157, 1196077, 3588231, 8372539, 22725463, 25117617, 51431311, 68176389, 154293933, 159078241, 360019177, 477234723, 977194909, 1080057531, 2931584727, 6840364363, 20521093089]

約数ペア:

[(1, 20521093089), (3, 6840364363), (7, 2931584727), (19, 1080057531), (21, 977194909), (43, 477234723), (57, 360019177), (129, 159078241), (133, 154293933), (301, 68176389), (399, 51431311), (817, 25117617), (903, 22725463), (2451, 8372539), (5719, 3588231), (17157, 1196077)]