20176675

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^2$

素因数の和:327

約数の個数: 18

約数和(自身を含む): 25789148

約数和(自身を除く): 5612473

約数列:

[1, 5, 25, 43, 137, 215, 685, 1075, 3425, 5891, 18769, 29455, 93845, 147275, 469225, 807067, 4035335, 20176675]

約数ペア:

[(1, 20176675), (5, 4035335), (25, 807067), (43, 469225), (137, 147275), (215, 93845), (685, 29455), (1075, 18769), (3425, 5891)]