20081435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 27111024

約数和(自身を除く): 7029589

約数列:

[1, 5, 11, 53, 55, 83, 265, 415, 583, 913, 2915, 4399, 4565, 6889, 21995, 34445, 48389, 75779, 241945, 365117, 378895, 1825585, 4016287, 20081435]

約数ペア:

[(1, 20081435), (5, 4016287), (11, 1825585), (53, 378895), (55, 365117), (83, 241945), (265, 75779), (415, 48389), (583, 34445), (913, 21995), (2915, 6889), (4399, 4565)]