20165571490

素因数分解:

$2^1\times 5^1\times {\mathrm{3643}}^1\times {\mathrm{553543}}^1$

素因数の和:557193

約数の個数: 16

約数和(自身を含む): 36308058048

約数和(自身を除く): 16142486558

約数列:

[1, 2, 5, 10, 3643, 7286, 18215, 36430, 553543, 1107086, 2767715, 5535430, 2016557149, 4033114298, 10082785745, 20165571490]

約数ペア:

[(1, 20165571490), (2, 10082785745), (5, 4033114298), (10, 2016557149), (3643, 5535430), (7286, 2767715), (18215, 1107086), (36430, 553543)]