20434554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 51038208

約数和(自身を除く): 30603654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1277, 1778, 2286, 2554, 2667, 3831, 5334, 7662, 8001, 8939, 11493, 16002, 17878, 22986, 26817, 53634, 80451, 160902, 162179, 324358, 486537, 973074, 1135253, 1459611, 2270506, 2919222, 3405759, 6811518, 10217277, 20434554]

約数ペア:

[(1, 20434554), (2, 10217277), (3, 6811518), (6, 3405759), (7, 2919222), (9, 2270506), (14, 1459611), (18, 1135253), (21, 973074), (42, 486537), (63, 324358), (126, 162179), (127, 160902), (254, 80451), (381, 53634), (762, 26817), (889, 22986), (1143, 17878), (1277, 16002), (1778, 11493), (2286, 8939), (2554, 8001), (2667, 7662), (3831, 5334)]