20168468

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 36003240

約数和(自身を除く): 15834772

約数列:

[1, 2, 4, 89, 178, 181, 313, 356, 362, 626, 724, 1252, 16109, 27857, 32218, 55714, 56653, 64436, 111428, 113306, 226612, 5042117, 10084234, 20168468]

約数ペア:

[(1, 20168468), (2, 10084234), (4, 5042117), (89, 226612), (178, 113306), (181, 111428), (313, 64436), (356, 56653), (362, 55714), (626, 32218), (724, 27857), (1252, 16109)]