20380646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71261}}^1$

素因数の和:71287

約数の個数: 16

約数和(自身を含む): 35916048

約数和(自身を除く): 15535402

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71261, 142522, 783871, 926393, 1567742, 1852786, 10190323, 20380646]

約数ペア:

[(1, 20380646), (2, 10190323), (11, 1852786), (13, 1567742), (22, 926393), (26, 783871), (143, 142522), (286, 71261)]