20770560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{601}}^1$

素因数の和:631

約数の個数: 144

約数和(自身を含む): 73829280

約数和(自身を除く): 53058720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 601, 640, 720, 768, 864, 960, 1080, 1152, 1202, 1280, 1440, 1728, 1803, 1920, 2160, 2304, 2404, 2880, 3005, 3456, 3606, 3840, 4320, 4808, 5409, 5760, 6010, 6912, 7212, 8640, 9015, 9616, 10818, 11520, 12020, 14424, 16227, 17280, 18030, 19232, 21636, 24040, 27045, 28848, 32454, 34560, 36060, 38464, 43272, 48080, 54090, 57696, 64908, 72120, 76928, 81135, 86544, 96160, 108180, 115392, 129816, 144240, 153856, 162270, 173088, 192320, 216360, 230784, 259632, 288480, 324540, 346176, 384640, 432720, 461568, 519264, 576960, 649080, 692352, 769280, 865440, 1038528, 1153920, 1298160, 1384704, 1730880, 2077056, 2307840, 2596320, 3461760, 4154112, 5192640, 6923520, 10385280, 20770560]

約数ペア:

[(1, 20770560), (2, 10385280), (3, 6923520), (4, 5192640), (5, 4154112), (6, 3461760), (8, 2596320), (9, 2307840), (10, 2077056), (12, 1730880), (15, 1384704), (16, 1298160), (18, 1153920), (20, 1038528), (24, 865440), (27, 769280), (30, 692352), (32, 649080), (36, 576960), (40, 519264), (45, 461568), (48, 432720), (54, 384640), (60, 346176), (64, 324540), (72, 288480), (80, 259632), (90, 230784), (96, 216360), (108, 192320), (120, 173088), (128, 162270), (135, 153856), (144, 144240), (160, 129816), (180, 115392), (192, 108180), (216, 96160), (240, 86544), (256, 81135), (270, 76928), (288, 72120), (320, 64908), (360, 57696), (384, 54090), (432, 48080), (480, 43272), (540, 38464), (576, 36060), (601, 34560), (640, 32454), (720, 28848), (768, 27045), (864, 24040), (960, 21636), (1080, 19232), (1152, 18030), (1202, 17280), (1280, 16227), (1440, 14424), (1728, 12020), (1803, 11520), (1920, 10818), (2160, 9616), (2304, 9015), (2404, 8640), (2880, 7212), (3005, 6912), (3456, 6010), (3606, 5760), (3840, 5409), (4320, 4808)]