20810036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2549}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 39484200

約数和(自身を除く): 18674164

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2549, 4082, 5098, 8164, 10196, 33137, 66274, 132548, 400193, 800386, 1600772, 5202509, 10405018, 20810036]

約数ペア:

[(1, 20810036), (2, 10405018), (4, 5202509), (13, 1600772), (26, 800386), (52, 400193), (157, 132548), (314, 66274), (628, 33137), (2041, 10196), (2549, 8164), (4082, 5098)]