20369338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6661}}^1$

素因数の和:6813

約数の個数: 16

約数和(自身を含む): 33576480

約数和(自身を除く): 13207142

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6661, 13322, 73271, 146542, 925879, 1851758, 10184669, 20369338]

約数ペア:

[(1, 20369338), (2, 10184669), (11, 1851758), (22, 925879), (139, 146542), (278, 73271), (1529, 13322), (3058, 6661)]