20485743

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1279}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 28876800

約数和(自身を除く): 8391057

約数列:

[1, 3, 19, 57, 281, 843, 1279, 3837, 5339, 16017, 24301, 72903, 359399, 1078197, 6828581, 20485743]

約数ペア:

[(1, 20485743), (3, 6828581), (19, 1078197), (57, 359399), (281, 72903), (843, 24301), (1279, 16017), (3837, 5339)]