20159859

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 27316224

約数和(自身を除く): 7156365

約数列:

[1, 3, 151, 191, 233, 453, 573, 699, 28841, 35183, 44503, 86523, 105549, 133509, 6719953, 20159859]

約数ペア:

[(1, 20159859), (3, 6719953), (151, 133509), (191, 105549), (233, 86523), (453, 44503), (573, 35183), (699, 28841)]