20939595

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 14683125

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1301, 3219, 3903, 5365, 6505, 16095, 19515, 37729, 48137, 113187, 144411, 188645, 240685, 565935, 722055, 1395973, 4187919, 6979865, 20939595]

約数ペア:

[(1, 20939595), (3, 6979865), (5, 4187919), (15, 1395973), (29, 722055), (37, 565935), (87, 240685), (111, 188645), (145, 144411), (185, 113187), (435, 48137), (555, 37729), (1073, 19515), (1301, 16095), (3219, 6505), (3903, 5365)]