20853781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 3144683

約数列:

[1, 13, 17, 127, 221, 743, 1651, 2159, 9659, 12631, 28067, 94361, 164203, 1226693, 1604137, 20853781]

約数ペア:

[(1, 20853781), (13, 1604137), (17, 1226693), (127, 164203), (221, 94361), (743, 28067), (1651, 12631), (2159, 9659)]