20707232

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{547}}^1$

素因数の和:590

約数の個数: 72

約数和(自身を含む): 50543136

約数和(自身を除く): 29835904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 547, 676, 728, 1094, 1183, 1352, 1456, 2188, 2366, 2704, 2912, 3829, 4376, 4732, 5408, 7111, 7658, 8752, 9464, 14222, 15316, 17504, 18928, 28444, 30632, 37856, 49777, 56888, 61264, 92443, 99554, 113776, 122528, 184886, 199108, 227552, 369772, 398216, 647101, 739544, 796432, 1294202, 1479088, 1592864, 2588404, 2958176, 5176808, 10353616, 20707232]

約数ペア:

[(1, 20707232), (2, 10353616), (4, 5176808), (7, 2958176), (8, 2588404), (13, 1592864), (14, 1479088), (16, 1294202), (26, 796432), (28, 739544), (32, 647101), (52, 398216), (56, 369772), (91, 227552), (104, 199108), (112, 184886), (169, 122528), (182, 113776), (208, 99554), (224, 92443), (338, 61264), (364, 56888), (416, 49777), (547, 37856), (676, 30632), (728, 28444), (1094, 18928), (1183, 17504), (1352, 15316), (1456, 14222), (2188, 9464), (2366, 8752), (2704, 7658), (2912, 7111), (3829, 5408), (4376, 4732)]