20940413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5036

約数の個数: 16

約数和(自身を含む): 25139520

約数和(自身を除く): 4199107

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4987, 64831, 84779, 94753, 1102127, 1231789, 1610801, 20940413]

約数ペア:

[(1, 20940413), (13, 1610801), (17, 1231789), (19, 1102127), (221, 94753), (247, 84779), (323, 64831), (4199, 4987)]