20871466

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{433}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 39247488

約数和(自身を除く): 18376022

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 313, 433, 626, 866, 2191, 3031, 3443, 4382, 4763, 6062, 6886, 9526, 24101, 33341, 48202, 66682, 135529, 271058, 948703, 1490819, 1897406, 2981638, 10435733, 20871466]

約数ペア:

[(1, 20871466), (2, 10435733), (7, 2981638), (11, 1897406), (14, 1490819), (22, 948703), (77, 271058), (154, 135529), (313, 66682), (433, 48202), (626, 33341), (866, 24101), (2191, 9526), (3031, 6886), (3443, 6062), (4382, 4763)]