20144345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{647}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5983015

約数列:

[1, 5, 13, 65, 479, 647, 2395, 3235, 6227, 8411, 31135, 42055, 309913, 1549565, 4028869, 20144345]

約数ペア:

[(1, 20144345), (5, 4028869), (13, 1549565), (65, 309913), (479, 42055), (647, 31135), (2395, 8411), (3235, 6227)]