20020748909

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{9539}}^1$

素因数の和:9761

約数の個数: 32

約数和(自身を含む): 24002334720

約数和(自身を除く): 3981585811

約数列:

[1, 7, 41, 71, 103, 287, 497, 721, 2911, 4223, 7313, 9539, 20377, 29561, 51191, 66773, 299833, 391099, 677269, 982517, 2098831, 2737693, 4740883, 6877619, 27768029, 40283197, 69758707, 194376203, 281982379, 488310949, 2860106987, 20020748909]

約数ペア:

[(1, 20020748909), (7, 2860106987), (41, 488310949), (71, 281982379), (103, 194376203), (287, 69758707), (497, 40283197), (721, 27768029), (2911, 6877619), (4223, 4740883), (7313, 2737693), (9539, 2098831), (20377, 982517), (29561, 677269), (51191, 391099), (66773, 299833)]