20204848

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12503}}^1$

素因数の和:12612

約数の個数: 20

約数和(自身を含む): 39537648

約数和(自身を除く): 19332800

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12503, 25006, 50012, 100024, 200048, 1262803, 2525606, 5051212, 10102424, 20204848]

約数ペア:

[(1, 20204848), (2, 10102424), (4, 5051212), (8, 2525606), (16, 1262803), (101, 200048), (202, 100024), (404, 50012), (808, 25006), (1616, 12503)]