20153891091

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{4051}}^1\times {\mathrm{23357}}^1$

素因数の和:27482

約数の個数: 16

約数和(自身を含む): 27258225408

約数和(自身を除く): 7104334317

約数列:

[1, 3, 71, 213, 4051, 12153, 23357, 70071, 287621, 862863, 1658347, 4975041, 94619207, 283857621, 6717963697, 20153891091]

約数ペア:

[(1, 20153891091), (3, 6717963697), (71, 283857621), (213, 94619207), (4051, 4975041), (12153, 1658347), (23357, 862863), (70071, 287621)]