20701412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 17582428

約数列:

[1, 2, 4, 19, 38, 76, 421, 647, 842, 1294, 1684, 2588, 7999, 12293, 15998, 24586, 31996, 49172, 272387, 544774, 1089548, 5175353, 10350706, 20701412]

約数ペア:

[(1, 20701412), (2, 10350706), (4, 5175353), (19, 1089548), (38, 544774), (76, 272387), (421, 49172), (647, 31996), (842, 24586), (1294, 15998), (1684, 12293), (2588, 7999)]