20971008

素因数分解:

$2^9\times 3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 65308320

約数和(自身を除く): 44337312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 41, 48, 54, 64, 72, 74, 82, 96, 108, 111, 123, 128, 144, 148, 164, 192, 216, 222, 246, 256, 288, 296, 328, 333, 369, 384, 432, 444, 492, 512, 576, 592, 656, 666, 738, 768, 864, 888, 984, 999, 1107, 1152, 1184, 1312, 1332, 1476, 1517, 1536, 1728, 1776, 1968, 1998, 2214, 2304, 2368, 2624, 2664, 2952, 3034, 3456, 3552, 3936, 3996, 4428, 4551, 4608, 4736, 5248, 5328, 5904, 6068, 6912, 7104, 7872, 7992, 8856, 9102, 9472, 10496, 10656, 11808, 12136, 13653, 13824, 14208, 15744, 15984, 17712, 18204, 18944, 20992, 21312, 23616, 24272, 27306, 28416, 31488, 31968, 35424, 36408, 40959, 42624, 47232, 48544, 54612, 56832, 62976, 63936, 70848, 72816, 81918, 85248, 94464, 97088, 109224, 127872, 141696, 145632, 163836, 170496, 188928, 194176, 218448, 255744, 283392, 291264, 327672, 388352, 436896, 511488, 566784, 582528, 655344, 776704, 873792, 1165056, 1310688, 1747584, 2330112, 2621376, 3495168, 5242752, 6990336, 10485504, 20971008]

約数ペア:

[(1, 20971008), (2, 10485504), (3, 6990336), (4, 5242752), (6, 3495168), (8, 2621376), (9, 2330112), (12, 1747584), (16, 1310688), (18, 1165056), (24, 873792), (27, 776704), (32, 655344), (36, 582528), (37, 566784), (41, 511488), (48, 436896), (54, 388352), (64, 327672), (72, 291264), (74, 283392), (82, 255744), (96, 218448), (108, 194176), (111, 188928), (123, 170496), (128, 163836), (144, 145632), (148, 141696), (164, 127872), (192, 109224), (216, 97088), (222, 94464), (246, 85248), (256, 81918), (288, 72816), (296, 70848), (328, 63936), (333, 62976), (369, 56832), (384, 54612), (432, 48544), (444, 47232), (492, 42624), (512, 40959), (576, 36408), (592, 35424), (656, 31968), (666, 31488), (738, 28416), (768, 27306), (864, 24272), (888, 23616), (984, 21312), (999, 20992), (1107, 18944), (1152, 18204), (1184, 17712), (1312, 15984), (1332, 15744), (1476, 14208), (1517, 13824), (1536, 13653), (1728, 12136), (1776, 11808), (1968, 10656), (1998, 10496), (2214, 9472), (2304, 9102), (2368, 8856), (2624, 7992), (2664, 7872), (2952, 7104), (3034, 6912), (3456, 6068), (3552, 5904), (3936, 5328), (3996, 5248), (4428, 4736), (4551, 4608)]