20618082

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4457}}^1$

素因数の和:4722

約数の個数: 24

約数和(自身を含む): 44856396

約数和(自身を除く): 24238314

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4457, 4626, 8914, 13371, 26742, 40113, 80226, 1145449, 2290898, 3436347, 6872694, 10309041, 20618082]

約数ペア:

[(1, 20618082), (2, 10309041), (3, 6872694), (6, 3436347), (9, 2290898), (18, 1145449), (257, 80226), (514, 40113), (771, 26742), (1542, 13371), (2313, 8914), (4457, 4626)]