20886156

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9511}}^1$

素因数の和:9582

約数の個数: 36

約数和(自身を含む): 53666704

約数和(自身を除く): 32780548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9511, 19022, 28533, 38044, 57066, 85599, 114132, 171198, 342396, 580171, 1160342, 1740513, 2320684, 3481026, 5221539, 6962052, 10443078, 20886156]

約数ペア:

[(1, 20886156), (2, 10443078), (3, 6962052), (4, 5221539), (6, 3481026), (9, 2320684), (12, 1740513), (18, 1160342), (36, 580171), (61, 342396), (122, 171198), (183, 114132), (244, 85599), (366, 57066), (549, 38044), (732, 28533), (1098, 19022), (2196, 9511)]