20508545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6521}}^1$

素因数の和:6580

約数の個数: 16

約数和(自身を含む): 26766288

約数和(自身を除く): 6257743

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6521, 32605, 110857, 241277, 554285, 1206385, 4101709, 20508545]

約数ペア:

[(1, 20508545), (5, 4101709), (17, 1206385), (37, 554285), (85, 241277), (185, 110857), (629, 32605), (3145, 6521)]