20767384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{577}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 42656400

約数和(自身を除く): 21889016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 409, 577, 818, 1154, 1636, 2308, 3272, 4499, 4616, 6347, 8998, 12694, 17996, 25388, 35992, 50776, 235993, 471986, 943972, 1887944, 2595923, 5191846, 10383692, 20767384]

約数ペア:

[(1, 20767384), (2, 10383692), (4, 5191846), (8, 2595923), (11, 1887944), (22, 943972), (44, 471986), (88, 235993), (409, 50776), (577, 35992), (818, 25388), (1154, 17996), (1636, 12694), (2308, 8998), (3272, 6347), (4499, 4616)]