20123411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4931}}^1$

素因数の和:5002

約数の個数: 16

約数和(自身を含む): 25567488

約数和(自身を除く): 5444077

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 4931, 34517, 54241, 261343, 379687, 1829401, 2874773, 20123411]

約数ペア:

[(1, 20123411), (7, 2874773), (11, 1829401), (53, 379687), (77, 261343), (371, 54241), (583, 34517), (4081, 4931)]