20527560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 69552000

約数和(自身を除く): 49024440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 83, 90, 108, 120, 135, 166, 180, 216, 229, 249, 270, 332, 360, 415, 458, 498, 540, 664, 687, 747, 830, 916, 996, 1080, 1145, 1245, 1374, 1494, 1660, 1832, 1992, 2061, 2241, 2290, 2490, 2748, 2988, 3320, 3435, 3735, 4122, 4482, 4580, 4980, 5496, 5976, 6183, 6870, 7470, 8244, 8964, 9160, 9960, 10305, 11205, 12366, 13740, 14940, 16488, 17928, 19007, 20610, 22410, 24732, 27480, 29880, 30915, 38014, 41220, 44820, 49464, 57021, 61830, 76028, 82440, 89640, 95035, 114042, 123660, 152056, 171063, 190070, 228084, 247320, 285105, 342126, 380140, 456168, 513189, 570210, 684252, 760280, 855315, 1026378, 1140420, 1368504, 1710630, 2052756, 2280840, 2565945, 3421260, 4105512, 5131890, 6842520, 10263780, 20527560]

約数ペア:

[(1, 20527560), (2, 10263780), (3, 6842520), (4, 5131890), (5, 4105512), (6, 3421260), (8, 2565945), (9, 2280840), (10, 2052756), (12, 1710630), (15, 1368504), (18, 1140420), (20, 1026378), (24, 855315), (27, 760280), (30, 684252), (36, 570210), (40, 513189), (45, 456168), (54, 380140), (60, 342126), (72, 285105), (83, 247320), (90, 228084), (108, 190070), (120, 171063), (135, 152056), (166, 123660), (180, 114042), (216, 95035), (229, 89640), (249, 82440), (270, 76028), (332, 61830), (360, 57021), (415, 49464), (458, 44820), (498, 41220), (540, 38014), (664, 30915), (687, 29880), (747, 27480), (830, 24732), (916, 22410), (996, 20610), (1080, 19007), (1145, 17928), (1245, 16488), (1374, 14940), (1494, 13740), (1660, 12366), (1832, 11205), (1992, 10305), (2061, 9960), (2241, 9160), (2290, 8964), (2490, 8244), (2748, 7470), (2988, 6870), (3320, 6183), (3435, 5976), (3735, 5496), (4122, 4980), (4482, 4580)]