20981202

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2971}}^1$

素因数の和:3094

約数の個数: 32

約数和(自身を含む): 46220544

約数和(自身を除く): 25239342

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 107, 214, 321, 642, 1177, 2354, 2971, 3531, 5942, 7062, 8913, 17826, 32681, 65362, 98043, 196086, 317897, 635794, 953691, 1907382, 3496867, 6993734, 10490601, 20981202]

約数ペア:

[(1, 20981202), (2, 10490601), (3, 6993734), (6, 3496867), (11, 1907382), (22, 953691), (33, 635794), (66, 317897), (107, 196086), (214, 98043), (321, 65362), (642, 32681), (1177, 17826), (2354, 8913), (2971, 7062), (3531, 5942)]