20136272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 42393120

約数和(自身を除く): 22256848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 739, 1048, 1478, 1703, 2096, 2956, 3406, 5912, 6812, 9607, 11824, 13624, 19214, 27248, 38428, 76856, 96809, 153712, 193618, 387236, 774472, 1258517, 1548944, 2517034, 5034068, 10068136, 20136272]

約数ペア:

[(1, 20136272), (2, 10068136), (4, 5034068), (8, 2517034), (13, 1548944), (16, 1258517), (26, 774472), (52, 387236), (104, 193618), (131, 153712), (208, 96809), (262, 76856), (524, 38428), (739, 27248), (1048, 19214), (1478, 13624), (1703, 11824), (2096, 9607), (2956, 6812), (3406, 5912)]