20737585

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 27655488

約数和(自身を除く): 6917903

約数列:

[1, 5, 11, 55, 121, 151, 227, 605, 755, 1135, 1661, 2497, 8305, 12485, 18271, 27467, 34277, 91355, 137335, 171385, 377047, 1885235, 4147517, 20737585]

約数ペア:

[(1, 20737585), (5, 4147517), (11, 1885235), (55, 377047), (121, 171385), (151, 137335), (227, 91355), (605, 34277), (755, 27467), (1135, 18271), (1661, 12485), (2497, 8305)]