20867206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5437}}^1$

素因数の和:5559

約数の個数: 16

約数和(自身を含む): 33280560

約数和(自身を除く): 12413354

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5437, 10874, 103303, 206606, 549137, 1098274, 10433603, 20867206]

約数ペア:

[(1, 20867206), (2, 10433603), (19, 1098274), (38, 549137), (101, 206606), (202, 103303), (1919, 10874), (3838, 5437)]