20780532

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15601}}^1$

素因数の和:15648

約数の個数: 36

約数和(自身を含む): 53951716

約数和(自身を除く): 33171184

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15601, 31202, 46803, 62404, 93606, 140409, 187212, 280818, 561636, 577237, 1154474, 1731711, 2308948, 3463422, 5195133, 6926844, 10390266, 20780532]

約数ペア:

[(1, 20780532), (2, 10390266), (3, 6926844), (4, 5195133), (6, 3463422), (9, 2308948), (12, 1731711), (18, 1154474), (36, 577237), (37, 561636), (74, 280818), (111, 187212), (148, 140409), (222, 93606), (333, 62404), (444, 46803), (666, 31202), (1332, 15601)]