20717526

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8831}}^1$

素因数の和:8876

約数の個数: 32

約数和(自身を含む): 45785088

約数和(自身を除く): 25067562

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 8831, 17662, 26493, 52986, 150127, 203113, 300254, 406226, 450381, 609339, 900762, 1218678, 3452921, 6905842, 10358763, 20717526]

約数ペア:

[(1, 20717526), (2, 10358763), (3, 6905842), (6, 3452921), (17, 1218678), (23, 900762), (34, 609339), (46, 450381), (51, 406226), (69, 300254), (102, 203113), (138, 150127), (391, 52986), (782, 26493), (1173, 17662), (2346, 8831)]