20564812

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 16191908

約数列:

[1, 2, 4, 101, 109, 202, 218, 404, 436, 467, 934, 1868, 11009, 22018, 44036, 47167, 50903, 94334, 101806, 188668, 203612, 5141203, 10282406, 20564812]

約数ペア:

[(1, 20564812), (2, 10282406), (4, 5141203), (101, 203612), (109, 188668), (202, 101806), (218, 94334), (404, 50903), (436, 47167), (467, 44036), (934, 22018), (1868, 11009)]