20928330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 54872064

約数和(自身を除く): 33943734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1831, 1905, 2286, 3662, 3810, 5493, 5715, 9155, 10986, 11430, 16479, 18310, 27465, 32958, 54930, 82395, 164790, 232537, 465074, 697611, 1162685, 1395222, 2092833, 2325370, 3488055, 4185666, 6976110, 10464165, 20928330]

約数ペア:

[(1, 20928330), (2, 10464165), (3, 6976110), (5, 4185666), (6, 3488055), (9, 2325370), (10, 2092833), (15, 1395222), (18, 1162685), (30, 697611), (45, 465074), (90, 232537), (127, 164790), (254, 82395), (381, 54930), (635, 32958), (762, 27465), (1143, 18310), (1270, 16479), (1831, 11430), (1905, 10986), (2286, 9155), (3662, 5715), (3810, 5493)]