20156531346

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{90227}}^1$

素因数の和:90445

約数の個数: 80

約数和(自身を含む): 51880378176

約数和(自身を除く): 31723846830

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 197, 378, 394, 567, 591, 1134, 1182, 1379, 1773, 2758, 3546, 4137, 5319, 8274, 10638, 12411, 15957, 24822, 31914, 37233, 74466, 90227, 111699, 180454, 223398, 270681, 541362, 631589, 812043, 1263178, 1624086, 1894767, 2436129, 3789534, 4872258, 5684301, 7308387, 11368602, 14616774, 17052903, 17774719, 34105806, 35549438, 51158709, 53324157, 102317418, 106648314, 124423033, 159972471, 248846066, 319944942, 373269099, 479917413, 746538198, 959834826, 1119807297, 1439752239, 2239614594, 2879504478, 3359421891, 6718843782, 10078265673, 20156531346]

約数ペア:

[(1, 20156531346), (2, 10078265673), (3, 6718843782), (6, 3359421891), (7, 2879504478), (9, 2239614594), (14, 1439752239), (18, 1119807297), (21, 959834826), (27, 746538198), (42, 479917413), (54, 373269099), (63, 319944942), (81, 248846066), (126, 159972471), (162, 124423033), (189, 106648314), (197, 102317418), (378, 53324157), (394, 51158709), (567, 35549438), (591, 34105806), (1134, 17774719), (1182, 17052903), (1379, 14616774), (1773, 11368602), (2758, 7308387), (3546, 5684301), (4137, 4872258), (5319, 3789534), (8274, 2436129), (10638, 1894767), (12411, 1624086), (15957, 1263178), (24822, 812043), (31914, 631589), (37233, 541362), (74466, 270681), (90227, 223398), (111699, 180454)]