20805119976

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2119511}}^1$

素因数の和:2119929

約数の個数: 32

約数和(自身を含む): 52139995200

約数和(自身を除く): 31334875224

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2454, 3272, 4908, 9816, 2119511, 4239022, 6358533, 8478044, 12717066, 16956088, 25434132, 50868264, 866879999, 1733759998, 2600639997, 3467519996, 5201279994, 6935039992, 10402559988, 20805119976]

約数ペア:

[(1, 20805119976), (2, 10402559988), (3, 6935039992), (4, 5201279994), (6, 3467519996), (8, 2600639997), (12, 1733759998), (24, 866879999), (409, 50868264), (818, 25434132), (1227, 16956088), (1636, 12717066), (2454, 8478044), (3272, 6358533), (4908, 4239022), (9816, 2119511)]