20589516

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1979}}^1$

素因数の和:2023

約数の個数: 54

約数和(自身を含む): 55315260

約数和(自身を除く): 34725744

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 1979, 2601, 3468, 3958, 5202, 5937, 7916, 10404, 11874, 17811, 23748, 33643, 35622, 67286, 71244, 100929, 134572, 201858, 302787, 403716, 571931, 605574, 1143862, 1211148, 1715793, 2287724, 3431586, 5147379, 6863172, 10294758, 20589516]

約数ペア:

[(1, 20589516), (2, 10294758), (3, 6863172), (4, 5147379), (6, 3431586), (9, 2287724), (12, 1715793), (17, 1211148), (18, 1143862), (34, 605574), (36, 571931), (51, 403716), (68, 302787), (102, 201858), (153, 134572), (204, 100929), (289, 71244), (306, 67286), (578, 35622), (612, 33643), (867, 23748), (1156, 17811), (1734, 11874), (1979, 10404), (2601, 7916), (3468, 5937), (3958, 5202)]