20176567812

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1259}}^1\times {\mathrm{2237}}^1$

素因数の和:3705

約数の個数: 72

約数和(自身を含む): 51321816000

約数和(自身を除く): 31145248188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1259, 1791, 2237, 2388, 2518, 3582, 3777, 4474, 5036, 6711, 7164, 7554, 8948, 11331, 13422, 15108, 20133, 22662, 26844, 40266, 45324, 80532, 250541, 445163, 501082, 751623, 890326, 1002164, 1335489, 1503246, 1780652, 2254869, 2670978, 2816383, 3006492, 4006467, 4509738, 5341956, 5632766, 8012934, 8449149, 9019476, 11265532, 16025868, 16898298, 25347447, 33796596, 50694894, 101389788, 560460217, 1120920434, 1681380651, 2241840868, 3362761302, 5044141953, 6725522604, 10088283906, 20176567812]

約数ペア:

[(1, 20176567812), (2, 10088283906), (3, 6725522604), (4, 5044141953), (6, 3362761302), (9, 2241840868), (12, 1681380651), (18, 1120920434), (36, 560460217), (199, 101389788), (398, 50694894), (597, 33796596), (796, 25347447), (1194, 16898298), (1259, 16025868), (1791, 11265532), (2237, 9019476), (2388, 8449149), (2518, 8012934), (3582, 5632766), (3777, 5341956), (4474, 4509738), (5036, 4006467), (6711, 3006492), (7164, 2816383), (7554, 2670978), (8948, 2254869), (11331, 1780652), (13422, 1503246), (15108, 1335489), (20133, 1002164), (22662, 890326), (26844, 751623), (40266, 501082), (45324, 445163), (80532, 250541)]