20804536518

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{781127}}^1$

素因数の和:781348

約数の個数: 32

約数和(自身を含む): 43643183616

約数和(自身を除く): 22838647098

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 193, 386, 579, 1158, 4439, 8878, 13317, 26634, 781127, 1562254, 2343381, 4686762, 17965921, 35931842, 53897763, 107795526, 150757511, 301515022, 452272533, 904545066, 3467422753, 6934845506, 10402268259, 20804536518]

約数ペア:

[(1, 20804536518), (2, 10402268259), (3, 6934845506), (6, 3467422753), (23, 904545066), (46, 452272533), (69, 301515022), (138, 150757511), (193, 107795526), (386, 53897763), (579, 35931842), (1158, 17965921), (4439, 4686762), (8878, 2343381), (13317, 1562254), (26634, 781127)]