20020748818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{208493}}^1$

素因数の和:208559

約数の個数: 32

約数和(自身を含む): 36227917440

約数和(自身を除く): 16207168622

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 6859, 13718, 48013, 96026, 208493, 416986, 1459451, 2918902, 3961367, 7922734, 27729569, 55459138, 75265973, 150531946, 526861811, 1053723622, 1430053487, 2860106974, 10010374409, 20020748818]

約数ペア:

[(1, 20020748818), (2, 10010374409), (7, 2860106974), (14, 1430053487), (19, 1053723622), (38, 526861811), (133, 150531946), (266, 75265973), (361, 55459138), (722, 27729569), (2527, 7922734), (5054, 3961367), (6859, 2918902), (13718, 1459451), (48013, 416986), (96026, 208493)]