20899728

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:597

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 39810672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 432, 479, 606, 808, 909, 958, 1212, 1437, 1616, 1818, 1916, 2424, 2727, 2874, 3636, 3832, 4311, 4848, 5454, 5748, 7272, 7664, 8622, 10908, 11496, 12933, 14544, 17244, 21816, 22992, 25866, 34488, 43632, 48379, 51732, 68976, 96758, 103464, 145137, 193516, 206928, 290274, 387032, 435411, 580548, 774064, 870822, 1161096, 1306233, 1741644, 2322192, 2612466, 3483288, 5224932, 6966576, 10449864, 20899728]

約数ペア:

[(1, 20899728), (2, 10449864), (3, 6966576), (4, 5224932), (6, 3483288), (8, 2612466), (9, 2322192), (12, 1741644), (16, 1306233), (18, 1161096), (24, 870822), (27, 774064), (36, 580548), (48, 435411), (54, 387032), (72, 290274), (101, 206928), (108, 193516), (144, 145137), (202, 103464), (216, 96758), (303, 68976), (404, 51732), (432, 48379), (479, 43632), (606, 34488), (808, 25866), (909, 22992), (958, 21816), (1212, 17244), (1437, 14544), (1616, 12933), (1818, 11496), (1916, 10908), (2424, 8622), (2727, 7664), (2874, 7272), (3636, 5748), (3832, 5454), (4311, 4848)]