20091892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15551}}^1$

素因数の和:15591

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 19099148

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15551, 31102, 62204, 264367, 295469, 528734, 590938, 1057468, 1181876, 5022973, 10045946, 20091892]

約数ペア:

[(1, 20091892), (2, 10045946), (4, 5022973), (17, 1181876), (19, 1057468), (34, 590938), (38, 528734), (68, 295469), (76, 264367), (323, 62204), (646, 31102), (1292, 15551)]