20327461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 27433728

約数和(自身を除く): 7106267

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 293, 371, 583, 901, 1309, 2051, 3223, 4081, 4981, 6307, 9911, 15529, 22561, 34867, 54791, 69377, 108703, 170819, 263993, 383537, 1195733, 1847951, 2903923, 20327461]

約数ペア:

[(1, 20327461), (7, 2903923), (11, 1847951), (17, 1195733), (53, 383537), (77, 263993), (119, 170819), (187, 108703), (293, 69377), (371, 54791), (583, 34867), (901, 22561), (1309, 15529), (2051, 9911), (3223, 6307), (4081, 4981)]