20491392

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 59780160

約数和(自身を除く): 39288768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 43, 48, 51, 64, 68, 73, 86, 96, 102, 128, 129, 136, 146, 172, 192, 204, 219, 258, 272, 292, 344, 384, 408, 438, 516, 544, 584, 688, 731, 816, 876, 1032, 1088, 1168, 1241, 1376, 1462, 1632, 1752, 2064, 2176, 2193, 2336, 2482, 2752, 2924, 3139, 3264, 3504, 3723, 4128, 4386, 4672, 4964, 5504, 5848, 6278, 6528, 7008, 7446, 8256, 8772, 9344, 9417, 9928, 11696, 12556, 14016, 14892, 16512, 17544, 18834, 19856, 23392, 25112, 28032, 29784, 35088, 37668, 39712, 46784, 50224, 53363, 59568, 70176, 75336, 79424, 93568, 100448, 106726, 119136, 140352, 150672, 158848, 160089, 200896, 213452, 238272, 280704, 301344, 320178, 401792, 426904, 476544, 602688, 640356, 853808, 1205376, 1280712, 1707616, 2561424, 3415232, 5122848, 6830464, 10245696, 20491392]

約数ペア:

[(1, 20491392), (2, 10245696), (3, 6830464), (4, 5122848), (6, 3415232), (8, 2561424), (12, 1707616), (16, 1280712), (17, 1205376), (24, 853808), (32, 640356), (34, 602688), (43, 476544), (48, 426904), (51, 401792), (64, 320178), (68, 301344), (73, 280704), (86, 238272), (96, 213452), (102, 200896), (128, 160089), (129, 158848), (136, 150672), (146, 140352), (172, 119136), (192, 106726), (204, 100448), (219, 93568), (258, 79424), (272, 75336), (292, 70176), (344, 59568), (384, 53363), (408, 50224), (438, 46784), (516, 39712), (544, 37668), (584, 35088), (688, 29784), (731, 28032), (816, 25112), (876, 23392), (1032, 19856), (1088, 18834), (1168, 17544), (1241, 16512), (1376, 14892), (1462, 14016), (1632, 12556), (1752, 11696), (2064, 9928), (2176, 9417), (2193, 9344), (2336, 8772), (2482, 8256), (2752, 7446), (2924, 7008), (3139, 6528), (3264, 6278), (3504, 5848), (3723, 5504), (4128, 4964), (4386, 4672)]