20643292389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1061}}^1\times {\mathrm{8117}}^1$

素因数の和:9245

約数の個数: 32

約数和(自身を含む): 29795268096

約数和(自身を除く): 9151975707

約数列:

[1, 3, 17, 47, 51, 141, 799, 1061, 2397, 3183, 8117, 18037, 24351, 49867, 54111, 137989, 149601, 381499, 413967, 847739, 1144497, 2543217, 6485483, 8612137, 19456449, 25836411, 146406329, 404770439, 439218987, 1214311317, 6881097463, 20643292389]

約数ペア:

[(1, 20643292389), (3, 6881097463), (17, 1214311317), (47, 439218987), (51, 404770439), (141, 146406329), (799, 25836411), (1061, 19456449), (2397, 8612137), (3183, 6485483), (8117, 2543217), (18037, 1144497), (24351, 847739), (49867, 413967), (54111, 381499), (137989, 149601)]