20339520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21187}}^1$

素因数の和:21207

約数の個数: 56

約数和(自身を含む): 64581024

約数和(自身を除く): 44241504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21187, 42374, 63561, 84748, 105935, 127122, 169496, 211870, 254244, 317805, 338992, 423740, 508488, 635610, 677984, 847480, 1016976, 1271220, 1355968, 1694960, 2033952, 2542440, 3389920, 4067904, 5084880, 6779840, 10169760, 20339520]

約数ペア:

[(1, 20339520), (2, 10169760), (3, 6779840), (4, 5084880), (5, 4067904), (6, 3389920), (8, 2542440), (10, 2033952), (12, 1694960), (15, 1355968), (16, 1271220), (20, 1016976), (24, 847480), (30, 677984), (32, 635610), (40, 508488), (48, 423740), (60, 338992), (64, 317805), (80, 254244), (96, 211870), (120, 169496), (160, 127122), (192, 105935), (240, 84748), (320, 63561), (480, 42374), (960, 21187)]