20168271508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1\times {\mathrm{16607}}^1$

素因数の和:20572

約数の個数: 48

約数和(自身を含む): 44017311744

約数和(自身を除く): 23849040236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 3943, 7886, 15772, 16607, 27601, 33214, 43373, 55202, 66428, 86746, 110404, 116249, 173492, 182677, 232498, 303611, 365354, 464996, 607222, 730708, 1214444, 1278739, 2557478, 5114956, 65481401, 130962802, 261925604, 458369807, 720295411, 916739614, 1440590822, 1833479228, 2881181644, 5042067877, 10084135754, 20168271508]

約数ペア:

[(1, 20168271508), (2, 10084135754), (4, 5042067877), (7, 2881181644), (11, 1833479228), (14, 1440590822), (22, 916739614), (28, 720295411), (44, 458369807), (77, 261925604), (154, 130962802), (308, 65481401), (3943, 5114956), (7886, 2557478), (15772, 1278739), (16607, 1214444), (27601, 730708), (33214, 607222), (43373, 464996), (55202, 365354), (66428, 303611), (86746, 232498), (110404, 182677), (116249, 173492)]