20953847026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1109491}}^1$

素因数の和:1109590

約数の個数: 32

約数和(自身を含む): 38344043520

約数和(自身を除く): 17390196494

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 18886, 1109491, 2218982, 7766437, 15532874, 21080329, 42160658, 78773861, 147562303, 157547722, 295124606, 551417027, 1102834054, 1496703359, 2993406718, 10476923513, 20953847026]

約数ペア:

[(1, 20953847026), (2, 10476923513), (7, 2993406718), (14, 1496703359), (19, 1102834054), (38, 551417027), (71, 295124606), (133, 157547722), (142, 147562303), (266, 78773861), (497, 42160658), (994, 21080329), (1349, 15532874), (2698, 7766437), (9443, 2218982), (18886, 1109491)]