20465907

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4663}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 35819520

約数和(自身を除く): 15353613

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4663, 13989, 32641, 51293, 88597, 97923, 153879, 265791, 359051, 620179, 974567, 1077153, 1860537, 2923701, 6821969, 20465907]

約数ペア:

[(1, 20465907), (3, 6821969), (7, 2923701), (11, 1860537), (19, 1077153), (21, 974567), (33, 620179), (57, 359051), (77, 265791), (133, 153879), (209, 97923), (231, 88597), (399, 51293), (627, 32641), (1463, 13989), (4389, 4663)]