20441894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15016666

約数列:

[1, 2, 11, 22, 23, 46, 71, 142, 253, 506, 569, 781, 1138, 1562, 1633, 3266, 6259, 12518, 13087, 17963, 26174, 35926, 40399, 80798, 143957, 287914, 444389, 888778, 929177, 1858354, 10220947, 20441894]

約数ペア:

[(1, 20441894), (2, 10220947), (11, 1858354), (22, 929177), (23, 888778), (46, 444389), (71, 287914), (142, 143957), (253, 80798), (506, 40399), (569, 35926), (781, 26174), (1138, 17963), (1562, 13087), (1633, 12518), (3266, 6259)]