20173981606

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{721169}}^1$

素因数の和:721439

約数の個数: 16

約数和(自身を含む): 30842998560

約数和(自身を除く): 10669016954

約数列:

[1, 2, 71, 142, 197, 394, 13987, 27974, 721169, 1442338, 51202999, 102405998, 142070293, 284140586, 10086990803, 20173981606]

約数ペア:

[(1, 20173981606), (2, 10086990803), (71, 284140586), (142, 142070293), (197, 102405998), (394, 51202999), (13987, 1442338), (27974, 721169)]