20795961890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9950221}}^1$

素因数の和:9950258

約数の個数: 32

約数和(自身を含む): 42984959040

約数和(自身を除く): 22188997150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9950221, 19900442, 49751105, 99502210, 109452431, 189054199, 218904862, 378108398, 547262155, 945270995, 1094524310, 1890541990, 2079596189, 4159192378, 10397980945, 20795961890]

約数ペア:

[(1, 20795961890), (2, 10397980945), (5, 4159192378), (10, 2079596189), (11, 1890541990), (19, 1094524310), (22, 945270995), (38, 547262155), (55, 378108398), (95, 218904862), (110, 189054199), (190, 109452431), (209, 99502210), (418, 49751105), (1045, 19900442), (2090, 9950221)]