20212776

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 55186560

約数和(自身を除く): 34973784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2143, 2358, 3144, 4286, 4716, 6429, 8572, 9432, 12858, 17144, 19287, 25716, 38574, 51432, 77148, 154296, 280733, 561466, 842199, 1122932, 1684398, 2245864, 2526597, 3368796, 5053194, 6737592, 10106388, 20212776]

約数ペア:

[(1, 20212776), (2, 10106388), (3, 6737592), (4, 5053194), (6, 3368796), (8, 2526597), (9, 2245864), (12, 1684398), (18, 1122932), (24, 842199), (36, 561466), (72, 280733), (131, 154296), (262, 77148), (393, 51432), (524, 38574), (786, 25716), (1048, 19287), (1179, 17144), (1572, 12858), (2143, 9432), (2358, 8572), (3144, 6429), (4286, 4716)]