20404836

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4463}}^1$

素因数の和:4600

約数の個数: 36

約数和(自身を含む): 51996672

約数和(自身を除く): 31591836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4463, 4572, 8926, 13389, 17852, 26778, 40167, 53556, 80334, 160668, 566801, 1133602, 1700403, 2267204, 3400806, 5101209, 6801612, 10202418, 20404836]

約数ペア:

[(1, 20404836), (2, 10202418), (3, 6801612), (4, 5101209), (6, 3400806), (9, 2267204), (12, 1700403), (18, 1133602), (36, 566801), (127, 160668), (254, 80334), (381, 53556), (508, 40167), (762, 26778), (1143, 17852), (1524, 13389), (2286, 8926), (4463, 4572)]