20611908

素因数分解:

$2^2\times 3^4\times {\mathrm{63617}}^1$

素因数の和:63633

約数の個数: 30

約数和(自身を含む): 53884446

約数和(自身を除く): 33272538

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63617, 127234, 190851, 254468, 381702, 572553, 763404, 1145106, 1717659, 2290212, 3435318, 5152977, 6870636, 10305954, 20611908]

約数ペア:

[(1, 20611908), (2, 10305954), (3, 6870636), (4, 5152977), (6, 3435318), (9, 2290212), (12, 1717659), (18, 1145106), (27, 763404), (36, 572553), (54, 381702), (81, 254468), (108, 190851), (162, 127234), (324, 63617)]