20803797752

素因数分解:

$2^3\times {\mathrm{1607}}^1\times {\mathrm{1618217}}^1$

素因数の和:1619830

約数の個数: 16

約数和(自身を含む): 39031418160

約数和(自身を除く): 18227620408

約数列:

[1, 2, 4, 8, 1607, 3214, 6428, 12856, 1618217, 3236434, 6472868, 12945736, 2600474719, 5200949438, 10401898876, 20803797752]

約数ペア:

[(1, 20803797752), (2, 10401898876), (4, 5200949438), (8, 2600474719), (1607, 12945736), (3214, 6472868), (6428, 3236434), (12856, 1618217)]