20168930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87691}}^1$

素因数の和:87721

約数の個数: 16

約数和(自身を含む): 37882944

約数和(自身を除く): 17714014

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87691, 175382, 438455, 876910, 2016893, 4033786, 10084465, 20168930]

約数ペア:

[(1, 20168930), (2, 10084465), (5, 4033786), (10, 2016893), (23, 876910), (46, 438455), (115, 175382), (230, 87691)]