1980620708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{213337}}^1$

素因数の和:213563

約数の個数: 24

約数和(自身を含む): 3799123104

約数和(自身を除く): 1818502396

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 4642, 9284, 213337, 426674, 853348, 2346707, 4693414, 9386828, 45014107, 90028214, 180056428, 495155177, 990310354, 1980620708]

約数ペア:

[(1, 1980620708), (2, 990310354), (4, 495155177), (11, 180056428), (22, 90028214), (44, 45014107), (211, 9386828), (422, 4693414), (844, 2346707), (2321, 853348), (4642, 426674), (9284, 213337)]