20922557440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:524

約数の個数: 176

約数和(自身を含む): 51179978304

約数和(自身を除く): 30257420864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 181, 211, 214, 256, 320, 362, 422, 428, 512, 535, 640, 724, 844, 856, 905, 1024, 1055, 1070, 1280, 1448, 1688, 1712, 1810, 2110, 2140, 2560, 2896, 3376, 3424, 3620, 4220, 4280, 5120, 5792, 6752, 6848, 7240, 8440, 8560, 11584, 13504, 13696, 14480, 16880, 17120, 19367, 22577, 23168, 27008, 27392, 28960, 33760, 34240, 38191, 38734, 45154, 46336, 54016, 54784, 57920, 67520, 68480, 76382, 77468, 90308, 92672, 96835, 108032, 109568, 112885, 115840, 135040, 136960, 152764, 154936, 180616, 185344, 190955, 193670, 216064, 225770, 231680, 270080, 273920, 305528, 309872, 361232, 381910, 387340, 451540, 463360, 540160, 547840, 611056, 619744, 722464, 763820, 774680, 903080, 926720, 1080320, 1222112, 1239488, 1444928, 1527640, 1549360, 1806160, 2444224, 2478976, 2889856, 3055280, 3098720, 3612320, 4086437, 4888448, 4957952, 5779712, 6110560, 6197440, 7224640, 8172874, 9776896, 9915904, 11559424, 12221120, 12394880, 14449280, 16345748, 19553792, 19831808, 20432185, 23118848, 24442240, 24789760, 28898560, 32691496, 39107584, 40864370, 48884480, 49579520, 57797120, 65382992, 81728740, 97768960, 99159040, 115594240, 130765984, 163457480, 195537920, 261531968, 326914960, 523063936, 653829920, 1046127872, 1307659840, 2092255744, 2615319680, 4184511488, 5230639360, 10461278720, 20922557440]

約数ペア:

[(1, 20922557440), (2, 10461278720), (4, 5230639360), (5, 4184511488), (8, 2615319680), (10, 2092255744), (16, 1307659840), (20, 1046127872), (32, 653829920), (40, 523063936), (64, 326914960), (80, 261531968), (107, 195537920), (128, 163457480), (160, 130765984), (181, 115594240), (211, 99159040), (214, 97768960), (256, 81728740), (320, 65382992), (362, 57797120), (422, 49579520), (428, 48884480), (512, 40864370), (535, 39107584), (640, 32691496), (724, 28898560), (844, 24789760), (856, 24442240), (905, 23118848), (1024, 20432185), (1055, 19831808), (1070, 19553792), (1280, 16345748), (1448, 14449280), (1688, 12394880), (1712, 12221120), (1810, 11559424), (2110, 9915904), (2140, 9776896), (2560, 8172874), (2896, 7224640), (3376, 6197440), (3424, 6110560), (3620, 5779712), (4220, 4957952), (4280, 4888448), (5120, 4086437), (5792, 3612320), (6752, 3098720), (6848, 3055280), (7240, 2889856), (8440, 2478976), (8560, 2444224), (11584, 1806160), (13504, 1549360), (13696, 1527640), (14480, 1444928), (16880, 1239488), (17120, 1222112), (19367, 1080320), (22577, 926720), (23168, 903080), (27008, 774680), (27392, 763820), (28960, 722464), (33760, 619744), (34240, 611056), (38191, 547840), (38734, 540160), (45154, 463360), (46336, 451540), (54016, 387340), (54784, 381910), (57920, 361232), (67520, 309872), (68480, 305528), (76382, 273920), (77468, 270080), (90308, 231680), (92672, 225770), (96835, 216064), (108032, 193670), (109568, 190955), (112885, 185344), (115840, 180616), (135040, 154936), (136960, 152764)]