20977371

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 32314464

約数和(自身を除く): 11337093

約数列:

[1, 3, 9, 17, 51, 153, 167, 501, 821, 1503, 2463, 2839, 7389, 8517, 13957, 25551, 41871, 125613, 137107, 411321, 1233963, 2330819, 6992457, 20977371]

約数ペア:

[(1, 20977371), (3, 6992457), (9, 2330819), (17, 1233963), (51, 411321), (153, 137107), (167, 125613), (501, 41871), (821, 25551), (1503, 13957), (2463, 8517), (2839, 7389)]