20157478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53897}}^1$

素因数の和:53927

約数の個数: 16

約数和(自身を含む): 34925904

約数和(自身を除く): 14768426

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 53897, 107794, 592867, 916249, 1185734, 1832498, 10078739, 20157478]

約数ペア:

[(1, 20157478), (2, 10078739), (11, 1832498), (17, 1185734), (22, 916249), (34, 592867), (187, 107794), (374, 53897)]