16205980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115757}}^1$

素因数の和:115773

約数の個数: 24

約数和(自身を含む): 38894688

約数和(自身を除く): 22688708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115757, 231514, 463028, 578785, 810299, 1157570, 1620598, 2315140, 3241196, 4051495, 8102990, 16205980]

約数ペア:

[(1, 16205980), (2, 8102990), (4, 4051495), (5, 3241196), (7, 2315140), (10, 1620598), (14, 1157570), (20, 810299), (28, 578785), (35, 463028), (70, 231514), (140, 115757)]