20876004

素因数分解:

$2^2\times 3^2\times {\mathrm{631}}^1\times {\mathrm{919}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 52911040

約数和(自身を除く): 32035036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 631, 919, 1262, 1838, 1893, 2524, 2757, 3676, 3786, 5514, 5679, 7572, 8271, 11028, 11358, 16542, 22716, 33084, 579889, 1159778, 1739667, 2319556, 3479334, 5219001, 6958668, 10438002, 20876004]

約数ペア:

[(1, 20876004), (2, 10438002), (3, 6958668), (4, 5219001), (6, 3479334), (9, 2319556), (12, 1739667), (18, 1159778), (36, 579889), (631, 33084), (919, 22716), (1262, 16542), (1838, 11358), (1893, 11028), (2524, 8271), (2757, 7572), (3676, 5679), (3786, 5514)]