20386560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5309}}^1$

素因数の和:5333

約数の個数: 72

約数和(自身を含む): 65121840

約数和(自身を除く): 44735280

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5309, 10618, 15927, 21236, 26545, 31854, 42472, 53090, 63708, 79635, 84944, 106180, 127416, 159270, 169888, 212360, 254832, 318540, 339776, 424720, 509664, 637080, 679552, 849440, 1019328, 1274160, 1359104, 1698880, 2038656, 2548320, 3397760, 4077312, 5096640, 6795520, 10193280, 20386560]

約数ペア:

[(1, 20386560), (2, 10193280), (3, 6795520), (4, 5096640), (5, 4077312), (6, 3397760), (8, 2548320), (10, 2038656), (12, 1698880), (15, 1359104), (16, 1274160), (20, 1019328), (24, 849440), (30, 679552), (32, 637080), (40, 509664), (48, 424720), (60, 339776), (64, 318540), (80, 254832), (96, 212360), (120, 169888), (128, 159270), (160, 127416), (192, 106180), (240, 84944), (256, 79635), (320, 63708), (384, 53090), (480, 42472), (640, 31854), (768, 26545), (960, 21236), (1280, 15927), (1920, 10618), (3840, 5309)]