20515534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11777}}^1$

素因数の和:11859

約数の個数: 16

約数和(自身を含む): 33637968

約数和(自身を除く): 13122434

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11777, 23554, 153101, 306202, 789059, 1578118, 10257767, 20515534]

約数ペア:

[(1, 20515534), (2, 10257767), (13, 1578118), (26, 789059), (67, 306202), (134, 153101), (871, 23554), (1742, 11777)]