20533656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 62576640

約数和(自身を除く): 42042984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 193, 248, 264, 286, 312, 341, 372, 386, 403, 429, 572, 579, 682, 744, 772, 806, 858, 1023, 1144, 1158, 1209, 1364, 1544, 1612, 1716, 2046, 2123, 2316, 2418, 2509, 2728, 3224, 3432, 4092, 4246, 4433, 4632, 4836, 5018, 5983, 6369, 7527, 8184, 8492, 8866, 9672, 10036, 11966, 12738, 13299, 15054, 16984, 17732, 17949, 20072, 23932, 25476, 26598, 27599, 30108, 35464, 35898, 47864, 50952, 53196, 55198, 60216, 65813, 71796, 77779, 82797, 106392, 110396, 131626, 143592, 155558, 165594, 197439, 220792, 233337, 263252, 311116, 331188, 394878, 466674, 526504, 622232, 662376, 789756, 855569, 933348, 1579512, 1711138, 1866696, 2566707, 3422276, 5133414, 6844552, 10266828, 20533656]

約数ペア:

[(1, 20533656), (2, 10266828), (3, 6844552), (4, 5133414), (6, 3422276), (8, 2566707), (11, 1866696), (12, 1711138), (13, 1579512), (22, 933348), (24, 855569), (26, 789756), (31, 662376), (33, 622232), (39, 526504), (44, 466674), (52, 394878), (62, 331188), (66, 311116), (78, 263252), (88, 233337), (93, 220792), (104, 197439), (124, 165594), (132, 155558), (143, 143592), (156, 131626), (186, 110396), (193, 106392), (248, 82797), (264, 77779), (286, 71796), (312, 65813), (341, 60216), (372, 55198), (386, 53196), (403, 50952), (429, 47864), (572, 35898), (579, 35464), (682, 30108), (744, 27599), (772, 26598), (806, 25476), (858, 23932), (1023, 20072), (1144, 17949), (1158, 17732), (1209, 16984), (1364, 15054), (1544, 13299), (1612, 12738), (1716, 11966), (2046, 10036), (2123, 9672), (2316, 8866), (2418, 8492), (2509, 8184), (2728, 7527), (3224, 6369), (3432, 5983), (4092, 5018), (4246, 4836), (4433, 4632)]