20206758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 47860848

約数和(自身を除く): 27654090

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2141, 3146, 4282, 4719, 6423, 9438, 12846, 23551, 27833, 47102, 55666, 70653, 83499, 141306, 166998, 259061, 306163, 518122, 612326, 777183, 918489, 1554366, 1836978, 3367793, 6735586, 10103379, 20206758]

約数ペア:

[(1, 20206758), (2, 10103379), (3, 6735586), (6, 3367793), (11, 1836978), (13, 1554366), (22, 918489), (26, 777183), (33, 612326), (39, 518122), (66, 306163), (78, 259061), (121, 166998), (143, 141306), (242, 83499), (286, 70653), (363, 55666), (429, 47102), (726, 27833), (858, 23551), (1573, 12846), (2141, 9438), (3146, 6423), (4282, 4719)]