20458077136

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2502211}}^1$

素因数の和:2502299

約数の個数: 40

約数和(自身を含む): 45920594624

約数和(自身を除く): 25462517488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 2502211, 5004422, 10008844, 17515477, 20017688, 35030954, 40035376, 70061908, 140123816, 182661403, 280247632, 365322806, 730645612, 1278629821, 1461291224, 2557259642, 2922582448, 5114519284, 10229038568, 20458077136]

約数ペア:

[(1, 20458077136), (2, 10229038568), (4, 5114519284), (7, 2922582448), (8, 2557259642), (14, 1461291224), (16, 1278629821), (28, 730645612), (56, 365322806), (73, 280247632), (112, 182661403), (146, 140123816), (292, 70061908), (511, 40035376), (584, 35030954), (1022, 20017688), (1168, 17515477), (2044, 10008844), (4088, 5004422), (8176, 2502211)]