20760960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1016

約数の個数: 128

約数和(自身を含む): 72264960

約数和(自身を除く): 51504000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 983, 1056, 1320, 1408, 1760, 1920, 1966, 2112, 2640, 2949, 3520, 3932, 4224, 4915, 5280, 5898, 7040, 7864, 9830, 10560, 10813, 11796, 14745, 15728, 19660, 21120, 21626, 23592, 29490, 31456, 32439, 39320, 43252, 47184, 54065, 58980, 62912, 64878, 78640, 86504, 94368, 108130, 117960, 125824, 129756, 157280, 162195, 173008, 188736, 216260, 235920, 259512, 314560, 324390, 346016, 377472, 432520, 471840, 519024, 629120, 648780, 692032, 865040, 943680, 1038048, 1297560, 1384064, 1730080, 1887360, 2076096, 2595120, 3460160, 4152192, 5190240, 6920320, 10380480, 20760960]

約数ペア:

[(1, 20760960), (2, 10380480), (3, 6920320), (4, 5190240), (5, 4152192), (6, 3460160), (8, 2595120), (10, 2076096), (11, 1887360), (12, 1730080), (15, 1384064), (16, 1297560), (20, 1038048), (22, 943680), (24, 865040), (30, 692032), (32, 648780), (33, 629120), (40, 519024), (44, 471840), (48, 432520), (55, 377472), (60, 346016), (64, 324390), (66, 314560), (80, 259512), (88, 235920), (96, 216260), (110, 188736), (120, 173008), (128, 162195), (132, 157280), (160, 129756), (165, 125824), (176, 117960), (192, 108130), (220, 94368), (240, 86504), (264, 78640), (320, 64878), (330, 62912), (352, 58980), (384, 54065), (440, 47184), (480, 43252), (528, 39320), (640, 32439), (660, 31456), (704, 29490), (880, 23592), (960, 21626), (983, 21120), (1056, 19660), (1320, 15728), (1408, 14745), (1760, 11796), (1920, 10813), (1966, 10560), (2112, 9830), (2640, 7864), (2949, 7040), (3520, 5898), (3932, 5280), (4224, 4915)]