20560628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{929}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18811852

約数列:

[1, 2, 4, 11, 22, 44, 503, 929, 1006, 1858, 2012, 3716, 5533, 10219, 11066, 20438, 22132, 40876, 467287, 934574, 1869148, 5140157, 10280314, 20560628]

約数ペア:

[(1, 20560628), (2, 10280314), (4, 5140157), (11, 1869148), (22, 934574), (44, 467287), (503, 40876), (929, 22132), (1006, 20438), (1858, 11066), (2012, 10219), (3716, 5533)]