20915151

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 29630304

約数和(自身を除く): 8715153

約数列:

[1, 3, 17, 51, 397, 1033, 1191, 3099, 6749, 17561, 20247, 52683, 410101, 1230303, 6971717, 20915151]

約数ペア:

[(1, 20915151), (3, 6971717), (17, 1230303), (51, 410101), (397, 52683), (1033, 20247), (1191, 17561), (3099, 6749)]