20968916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17496364

約数列:

[1, 2, 4, 23, 46, 92, 317, 634, 719, 1268, 1438, 2876, 7291, 14582, 16537, 29164, 33074, 66148, 227923, 455846, 911692, 5242229, 10484458, 20968916]

約数ペア:

[(1, 20968916), (2, 10484458), (4, 5242229), (23, 911692), (46, 455846), (92, 227923), (317, 66148), (634, 33074), (719, 29164), (1268, 16537), (1438, 14582), (2876, 7291)]