20218262055

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1\times {\mathrm{28001}}^1$

素因数の和:29347

約数の個数: 32

約数和(自身を含む): 33250246848

約数和(自身を除く): 13031984793

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1301, 3903, 6505, 19515, 28001, 48137, 84003, 140005, 144411, 240685, 420015, 722055, 1036037, 3108111, 5180185, 15540555, 36429301, 109287903, 182146505, 546439515, 1347884137, 4043652411, 6739420685, 20218262055]

約数ペア:

[(1, 20218262055), (3, 6739420685), (5, 4043652411), (15, 1347884137), (37, 546439515), (111, 182146505), (185, 109287903), (555, 36429301), (1301, 15540555), (3903, 5180185), (6505, 3108111), (19515, 1036037), (28001, 722055), (48137, 420015), (84003, 240685), (140005, 144411)]