20512305758

素因数分解:

$2^1\times 7^1\times {\mathrm{4273}}^1\times {\mathrm{342889}}^1$

素因数の和:347171

約数の個数: 16

約数和(自身を含む): 35172284640

約数和(自身を除く): 14659978882

約数列:

[1, 2, 7, 14, 4273, 8546, 29911, 59822, 342889, 685778, 2400223, 4800446, 1465164697, 2930329394, 10256152879, 20512305758]

約数ペア:

[(1, 20512305758), (2, 10256152879), (7, 2930329394), (14, 1465164697), (4273, 4800446), (8546, 2400223), (29911, 685778), (59822, 342889)]