20246031

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 35970480

約数和(自身を除く): 15724449

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 81, 87, 117, 153, 169, 221, 243, 261, 351, 377, 459, 493, 507, 663, 783, 1053, 1131, 1377, 1479, 1521, 1989, 2349, 2873, 3159, 3393, 4131, 4437, 4563, 4901, 5967, 6409, 7047, 8619, 10179, 13311, 13689, 14703, 17901, 19227, 25857, 30537, 39933, 41067, 44109, 53703, 57681, 77571, 83317, 91611, 119799, 132327, 173043, 232713, 249951, 396981, 519129, 698139, 749853, 1190943, 1557387, 2249559, 6748677, 20246031]

約数ペア:

[(1, 20246031), (3, 6748677), (9, 2249559), (13, 1557387), (17, 1190943), (27, 749853), (29, 698139), (39, 519129), (51, 396981), (81, 249951), (87, 232713), (117, 173043), (153, 132327), (169, 119799), (221, 91611), (243, 83317), (261, 77571), (351, 57681), (377, 53703), (459, 44109), (493, 41067), (507, 39933), (663, 30537), (783, 25857), (1053, 19227), (1131, 17901), (1377, 14703), (1479, 13689), (1521, 13311), (1989, 10179), (2349, 8619), (2873, 7047), (3159, 6409), (3393, 5967), (4131, 4901), (4437, 4563)]