20487336960

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1333811}}^1$

素因数の和:1333839

約数の個数: 88

約数和(自身を含む): 65527515936

約数和(自身を除く): 45040178976

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, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 1333811, 2667622, 4001433, 5335244, 6669055, 8002866, 10670488, 13338110, 16005732, 20007165, 21340976, 26676220, 32011464, 40014330, 42681952, 53352440, 64022928, 80028660, 85363904, 106704880, 128045856, 160057320, 170727808, 213409760, 256091712, 320114640, 341455616, 426819520, 512183424, 640229280, 682911232, 853639040, 1024366848, 1280458560, 1365822464, 1707278080, 2048733696, 2560917120, 3414556160, 4097467392, 5121834240, 6829112320, 10243668480, 20487336960]

約数ペア:

[(1, 20487336960), (2, 10243668480), (3, 6829112320), (4, 5121834240), (5, 4097467392), (6, 3414556160), (8, 2560917120), (10, 2048733696), (12, 1707278080), (15, 1365822464), (16, 1280458560), (20, 1024366848), (24, 853639040), (30, 682911232), (32, 640229280), (40, 512183424), (48, 426819520), (60, 341455616), (64, 320114640), (80, 256091712), (96, 213409760), (120, 170727808), (128, 160057320), (160, 128045856), (192, 106704880), (240, 85363904), (256, 80028660), (320, 64022928), (384, 53352440), (480, 42681952), (512, 40014330), (640, 32011464), (768, 26676220), (960, 21340976), (1024, 20007165), (1280, 16005732), (1536, 13338110), (1920, 10670488), (2560, 8002866), (3072, 6669055), (3840, 5335244), (5120, 4001433), (7680, 2667622), (15360, 1333811)]