20797848005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{19381}}^1$

素因数の和:19685

約数の個数: 32

約数和(自身を含む): 27630979200

約数和(自身を除く): 6833131195

約数列:

[1, 5, 11, 55, 109, 179, 545, 895, 1199, 1969, 5995, 9845, 19381, 19511, 96905, 97555, 213191, 214621, 1065955, 1073105, 2112529, 3469199, 10562645, 17345995, 23237819, 38161189, 116189095, 190805945, 378142691, 1890713455, 4159569601, 20797848005]

約数ペア:

[(1, 20797848005), (5, 4159569601), (11, 1890713455), (55, 378142691), (109, 190805945), (179, 116189095), (545, 38161189), (895, 23237819), (1199, 17345995), (1969, 10562645), (5995, 3469199), (9845, 2112529), (19381, 1073105), (19511, 1065955), (96905, 214621), (97555, 213191)]