20870151

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1303}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 29418240

約数和(自身を除く): 8548089

約数列:

[1, 3, 19, 57, 281, 843, 1303, 3909, 5339, 16017, 24757, 74271, 366143, 1098429, 6956717, 20870151]

約数ペア:

[(1, 20870151), (3, 6956717), (19, 1098429), (57, 366143), (281, 74271), (843, 24757), (1303, 16017), (3909, 5339)]