20021760

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 76602240

約数和(自身を除く): 56580480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 79, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 158, 160, 165, 176, 180, 192, 198, 220, 237, 240, 256, 264, 288, 316, 320, 330, 352, 360, 384, 395, 396, 440, 474, 480, 495, 512, 528, 576, 632, 640, 660, 704, 711, 720, 768, 790, 792, 869, 880, 948, 960, 990, 1056, 1152, 1185, 1264, 1280, 1320, 1408, 1422, 1440, 1536, 1580, 1584, 1738, 1760, 1896, 1920, 1980, 2112, 2304, 2370, 2528, 2560, 2607, 2640, 2816, 2844, 2880, 3160, 3168, 3476, 3520, 3555, 3792, 3840, 3960, 4224, 4345, 4608, 4740, 5056, 5214, 5280, 5632, 5688, 5760, 6320, 6336, 6952, 7040, 7110, 7584, 7680, 7821, 7920, 8448, 8690, 9480, 10112, 10428, 10560, 11376, 11520, 12640, 12672, 13035, 13904, 14080, 14220, 15168, 15642, 15840, 16896, 17380, 18960, 20224, 20856, 21120, 22752, 23040, 25280, 25344, 26070, 27808, 28160, 28440, 30336, 31284, 31680, 34760, 37920, 39105, 40448, 41712, 42240, 45504, 50560, 50688, 52140, 55616, 56880, 60672, 62568, 63360, 69520, 75840, 78210, 83424, 84480, 91008, 101120, 104280, 111232, 113760, 121344, 125136, 126720, 139040, 151680, 156420, 166848, 182016, 202240, 208560, 222464, 227520, 250272, 253440, 278080, 303360, 312840, 333696, 364032, 417120, 444928, 455040, 500544, 556160, 606720, 625680, 667392, 834240, 910080, 1001088, 1112320, 1251360, 1334784, 1668480, 1820160, 2002176, 2224640, 2502720, 3336960, 4004352, 5005440, 6673920, 10010880, 20021760]

約数ペア:

[(1, 20021760), (2, 10010880), (3, 6673920), (4, 5005440), (5, 4004352), (6, 3336960), (8, 2502720), (9, 2224640), (10, 2002176), (11, 1820160), (12, 1668480), (15, 1334784), (16, 1251360), (18, 1112320), (20, 1001088), (22, 910080), (24, 834240), (30, 667392), (32, 625680), (33, 606720), (36, 556160), (40, 500544), (44, 455040), (45, 444928), (48, 417120), (55, 364032), (60, 333696), (64, 312840), (66, 303360), (72, 278080), (79, 253440), (80, 250272), (88, 227520), (90, 222464), (96, 208560), (99, 202240), (110, 182016), (120, 166848), (128, 156420), (132, 151680), (144, 139040), (158, 126720), (160, 125136), (165, 121344), (176, 113760), (180, 111232), (192, 104280), (198, 101120), (220, 91008), (237, 84480), (240, 83424), (256, 78210), (264, 75840), (288, 69520), (316, 63360), (320, 62568), (330, 60672), (352, 56880), (360, 55616), (384, 52140), (395, 50688), (396, 50560), (440, 45504), (474, 42240), (480, 41712), (495, 40448), (512, 39105), (528, 37920), (576, 34760), (632, 31680), (640, 31284), (660, 30336), (704, 28440), (711, 28160), (720, 27808), (768, 26070), (790, 25344), (792, 25280), (869, 23040), (880, 22752), (948, 21120), (960, 20856), (990, 20224), (1056, 18960), (1152, 17380), (1185, 16896), (1264, 15840), (1280, 15642), (1320, 15168), (1408, 14220), (1422, 14080), (1440, 13904), (1536, 13035), (1580, 12672), (1584, 12640), (1738, 11520), (1760, 11376), (1896, 10560), (1920, 10428), (1980, 10112), (2112, 9480), (2304, 8690), (2370, 8448), (2528, 7920), (2560, 7821), (2607, 7680), (2640, 7584), (2816, 7110), (2844, 7040), (2880, 6952), (3160, 6336), (3168, 6320), (3476, 5760), (3520, 5688), (3555, 5632), (3792, 5280), (3840, 5214), (3960, 5056), (4224, 4740), (4345, 4608)]