20891182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11317}}^1$

素因数の和:11403

約数の個数: 16

約数和(自身を含む): 34225632

約数和(自身を除く): 13334450

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11317, 22634, 147121, 294242, 803507, 1607014, 10445591, 20891182]

約数ペア:

[(1, 20891182), (2, 10445591), (13, 1607014), (26, 803507), (71, 294242), (142, 147121), (923, 22634), (1846, 11317)]