20383496

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 43942080

約数和(自身を除く): 23558584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2011, 2534, 4022, 5068, 8044, 10136, 14077, 16088, 28154, 56308, 112616, 363991, 727982, 1455964, 2547937, 2911928, 5095874, 10191748, 20383496]

約数ペア:

[(1, 20383496), (2, 10191748), (4, 5095874), (7, 2911928), (8, 2547937), (14, 1455964), (28, 727982), (56, 363991), (181, 112616), (362, 56308), (724, 28154), (1267, 16088), (1448, 14077), (2011, 10136), (2534, 8044), (4022, 5068)]