20950140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9437}}^1$

素因数の和:9486

約数の個数: 48

約数和(自身を含む): 60252192

約数和(自身を除く): 39302052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9437, 18874, 28311, 37748, 47185, 56622, 94370, 113244, 141555, 188740, 283110, 349169, 566220, 698338, 1047507, 1396676, 1745845, 2095014, 3491690, 4190028, 5237535, 6983380, 10475070, 20950140]

約数ペア:

[(1, 20950140), (2, 10475070), (3, 6983380), (4, 5237535), (5, 4190028), (6, 3491690), (10, 2095014), (12, 1745845), (15, 1396676), (20, 1047507), (30, 698338), (37, 566220), (60, 349169), (74, 283110), (111, 188740), (148, 141555), (185, 113244), (222, 94370), (370, 56622), (444, 47185), (555, 37748), (740, 28311), (1110, 18874), (2220, 9437)]