20511904

素因数分解:

$2^5\times 7^1\times {\mathrm{91571}}^1$

素因数の和:91588

約数の個数: 24

約数和(自身を含む): 46152288

約数和(自身を除く): 25640384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91571, 183142, 366284, 640997, 732568, 1281994, 1465136, 2563988, 2930272, 5127976, 10255952, 20511904]

約数ペア:

[(1, 20511904), (2, 10255952), (4, 5127976), (7, 2930272), (8, 2563988), (14, 1465136), (16, 1281994), (28, 732568), (32, 640997), (56, 366284), (112, 183142), (224, 91571)]