20037171

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 13582797

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 683, 889, 1397, 2049, 2667, 4191, 4781, 7513, 9779, 14343, 22539, 29337, 52591, 86741, 157773, 260223, 607187, 954151, 1821561, 2862453, 6679057, 20037171]

約数ペア:

[(1, 20037171), (3, 6679057), (7, 2862453), (11, 1821561), (21, 954151), (33, 607187), (77, 260223), (127, 157773), (231, 86741), (381, 52591), (683, 29337), (889, 22539), (1397, 14343), (2049, 9779), (2667, 7513), (4191, 4781)]