20971260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116507}}^1$

素因数の和:116522

約数の個数: 36

約数和(自身を含む): 63613368

約数和(自身を除く): 42642108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116507, 233014, 349521, 466028, 582535, 699042, 1048563, 1165070, 1398084, 1747605, 2097126, 2330140, 3495210, 4194252, 5242815, 6990420, 10485630, 20971260]

約数ペア:

[(1, 20971260), (2, 10485630), (3, 6990420), (4, 5242815), (5, 4194252), (6, 3495210), (9, 2330140), (10, 2097126), (12, 1747605), (15, 1398084), (18, 1165070), (20, 1048563), (30, 699042), (36, 582535), (45, 466028), (60, 349521), (90, 233014), (180, 116507)]