20194306780

素因数分解:

$2^2\times 5^1\times {\mathrm{1009715339}}^1$

素因数の和:1009715348

約数の個数: 12

約数和(自身を含む): 42408044280

約数和(自身を除く): 22213737500

約数列:

[1, 2, 4, 5, 10, 20, 1009715339, 2019430678, 4038861356, 5048576695, 10097153390, 20194306780]

約数ペア:

[(1, 20194306780), (2, 10097153390), (4, 5048576695), (5, 4038861356), (10, 2019430678), (20, 1009715339)]