20670742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11471}}^1$

素因数の和:11543

約数の個数: 16

約数和(自身を含む): 33452352

約数和(自身を除く): 12781610

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11471, 22942, 195007, 390014, 607963, 1215926, 10335371, 20670742]

約数ペア:

[(1, 20670742), (2, 10335371), (17, 1215926), (34, 607963), (53, 390014), (106, 195007), (901, 22942), (1802, 11471)]