20176518

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26479482

約数列:

[1, 2, 3, 6, 17, 19, 29, 34, 38, 51, 57, 58, 87, 102, 114, 174, 323, 359, 493, 551, 646, 718, 969, 986, 1077, 1102, 1479, 1653, 1938, 2154, 2958, 3306, 6103, 6821, 9367, 10411, 12206, 13642, 18309, 18734, 20463, 20822, 28101, 31233, 36618, 40926, 56202, 62466, 115957, 176987, 197809, 231914, 347871, 353974, 395618, 530961, 593427, 695742, 1061922, 1186854, 3362753, 6725506, 10088259, 20176518]

約数ペア:

[(1, 20176518), (2, 10088259), (3, 6725506), (6, 3362753), (17, 1186854), (19, 1061922), (29, 695742), (34, 593427), (38, 530961), (51, 395618), (57, 353974), (58, 347871), (87, 231914), (102, 197809), (114, 176987), (174, 115957), (323, 62466), (359, 56202), (493, 40926), (551, 36618), (646, 31233), (718, 28101), (969, 20822), (986, 20463), (1077, 18734), (1102, 18309), (1479, 13642), (1653, 12206), (1938, 10411), (2154, 9367), (2958, 6821), (3306, 6103)]