20081152

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 29415680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 431, 448, 512, 728, 832, 862, 896, 1456, 1664, 1724, 1792, 2912, 3017, 3328, 3448, 3584, 5603, 5824, 6034, 6656, 6896, 11206, 11648, 12068, 13792, 22412, 23296, 24136, 27584, 39221, 44824, 46592, 48272, 55168, 78442, 89648, 96544, 110336, 156884, 179296, 193088, 220672, 313768, 358592, 386176, 627536, 717184, 772352, 1255072, 1434368, 1544704, 2510144, 2868736, 5020288, 10040576, 20081152]

約数ペア:

[(1, 20081152), (2, 10040576), (4, 5020288), (7, 2868736), (8, 2510144), (13, 1544704), (14, 1434368), (16, 1255072), (26, 772352), (28, 717184), (32, 627536), (52, 386176), (56, 358592), (64, 313768), (91, 220672), (104, 193088), (112, 179296), (128, 156884), (182, 110336), (208, 96544), (224, 89648), (256, 78442), (364, 55168), (416, 48272), (431, 46592), (448, 44824), (512, 39221), (728, 27584), (832, 24136), (862, 23296), (896, 22412), (1456, 13792), (1664, 12068), (1724, 11648), (1792, 11206), (2912, 6896), (3017, 6656), (3328, 6034), (3448, 5824), (3584, 5603)]