20395424

素因数分解:

$2^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 26089504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 83, 112, 166, 224, 332, 581, 664, 1097, 1162, 1328, 2194, 2324, 2656, 4388, 4648, 7679, 8776, 9296, 15358, 17552, 18592, 30716, 35104, 61432, 91051, 122864, 182102, 245728, 364204, 637357, 728408, 1274714, 1456816, 2549428, 2913632, 5098856, 10197712, 20395424]

約数ペア:

[(1, 20395424), (2, 10197712), (4, 5098856), (7, 2913632), (8, 2549428), (14, 1456816), (16, 1274714), (28, 728408), (32, 637357), (56, 364204), (83, 245728), (112, 182102), (166, 122864), (224, 91051), (332, 61432), (581, 35104), (664, 30716), (1097, 18592), (1162, 17552), (1328, 15358), (2194, 9296), (2324, 8776), (2656, 7679), (4388, 4648)]