20554795

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 25548768

約数和(自身を除く): 4993973

約数列:

[1, 5, 37, 137, 185, 685, 811, 4055, 5069, 25345, 30007, 111107, 150035, 555535, 4110959, 20554795]

約数ペア:

[(1, 20554795), (5, 4110959), (37, 555535), (137, 150035), (185, 111107), (685, 30007), (811, 25345), (4055, 5069)]