20289192960

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1320911}}^1$

素因数の和:1320939

約数の個数: 88

約数和(自身を含む): 64893764736

約数和(自身を除く): 44604571776

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, 1320911, 2641822, 3962733, 5283644, 6604555, 7925466, 10567288, 13209110, 15850932, 19813665, 21134576, 26418220, 31701864, 39627330, 42269152, 52836440, 63403728, 79254660, 84538304, 105672880, 126807456, 158509320, 169076608, 211345760, 253614912, 317018640, 338153216, 422691520, 507229824, 634037280, 676306432, 845383040, 1014459648, 1268074560, 1352612864, 1690766080, 2028919296, 2536149120, 3381532160, 4057838592, 5072298240, 6763064320, 10144596480, 20289192960]

約数ペア:

[(1, 20289192960), (2, 10144596480), (3, 6763064320), (4, 5072298240), (5, 4057838592), (6, 3381532160), (8, 2536149120), (10, 2028919296), (12, 1690766080), (15, 1352612864), (16, 1268074560), (20, 1014459648), (24, 845383040), (30, 676306432), (32, 634037280), (40, 507229824), (48, 422691520), (60, 338153216), (64, 317018640), (80, 253614912), (96, 211345760), (120, 169076608), (128, 158509320), (160, 126807456), (192, 105672880), (240, 84538304), (256, 79254660), (320, 63403728), (384, 52836440), (480, 42269152), (512, 39627330), (640, 31701864), (768, 26418220), (960, 21134576), (1024, 19813665), (1280, 15850932), (1536, 13209110), (1920, 10567288), (2560, 7925466), (3072, 6604555), (3840, 5283644), (5120, 3962733), (7680, 2641822), (15360, 1320911)]