20582640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:768

約数の個数: 160

約数和(自身を含む): 76453440

約数和(自身を除く): 55870800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 733, 780, 936, 1040, 1080, 1170, 1404, 1466, 1560, 1755, 1872, 2160, 2199, 2340, 2808, 2932, 3120, 3510, 3665, 4398, 4680, 5616, 5864, 6597, 7020, 7330, 8796, 9360, 9529, 10995, 11728, 13194, 14040, 14660, 17592, 19058, 19791, 21990, 26388, 28080, 28587, 29320, 32985, 35184, 38116, 39582, 43980, 47645, 52776, 57174, 58640, 65970, 76232, 79164, 85761, 87960, 95290, 98955, 105552, 114348, 131940, 142935, 152464, 158328, 171522, 175920, 190580, 197910, 228696, 257283, 263880, 285870, 316656, 343044, 381160, 395820, 428805, 457392, 514566, 527760, 571740, 686088, 762320, 791640, 857610, 1029132, 1143480, 1286415, 1372176, 1583280, 1715220, 2058264, 2286960, 2572830, 3430440, 4116528, 5145660, 6860880, 10291320, 20582640]

約数ペア:

[(1, 20582640), (2, 10291320), (3, 6860880), (4, 5145660), (5, 4116528), (6, 3430440), (8, 2572830), (9, 2286960), (10, 2058264), (12, 1715220), (13, 1583280), (15, 1372176), (16, 1286415), (18, 1143480), (20, 1029132), (24, 857610), (26, 791640), (27, 762320), (30, 686088), (36, 571740), (39, 527760), (40, 514566), (45, 457392), (48, 428805), (52, 395820), (54, 381160), (60, 343044), (65, 316656), (72, 285870), (78, 263880), (80, 257283), (90, 228696), (104, 197910), (108, 190580), (117, 175920), (120, 171522), (130, 158328), (135, 152464), (144, 142935), (156, 131940), (180, 114348), (195, 105552), (208, 98955), (216, 95290), (234, 87960), (240, 85761), (260, 79164), (270, 76232), (312, 65970), (351, 58640), (360, 57174), (390, 52776), (432, 47645), (468, 43980), (520, 39582), (540, 38116), (585, 35184), (624, 32985), (702, 29320), (720, 28587), (733, 28080), (780, 26388), (936, 21990), (1040, 19791), (1080, 19058), (1170, 17592), (1404, 14660), (1466, 14040), (1560, 13194), (1755, 11728), (1872, 10995), (2160, 9529), (2199, 9360), (2340, 8796), (2808, 7330), (2932, 7020), (3120, 6597), (3510, 5864), (3665, 5616), (4398, 4680)]