20002208

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2803}}^1$

素因数の和:3036

約数の個数: 24

約数和(自身を含む): 39570048

約数和(自身を除く): 19567840

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2803, 3568, 5606, 7136, 11212, 22424, 44848, 89696, 625069, 1250138, 2500276, 5000552, 10001104, 20002208]

約数ペア:

[(1, 20002208), (2, 10001104), (4, 5000552), (8, 2500276), (16, 1250138), (32, 625069), (223, 89696), (446, 44848), (892, 22424), (1784, 11212), (2803, 7136), (3568, 5606)]