20043568

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6359}}^1$

素因数の和:6564

約数の個数: 20

約数和(自身を含む): 39037680

約数和(自身を除く): 18994112

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6359, 12718, 25436, 50872, 101744, 1252723, 2505446, 5010892, 10021784, 20043568]

約数ペア:

[(1, 20043568), (2, 10021784), (4, 5010892), (8, 2505446), (16, 1252723), (197, 101744), (394, 50872), (788, 25436), (1576, 12718), (3152, 6359)]