20087081931

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{126341}}^1$

素因数の和:126531

約数の個数: 32

約数和(自身を含む): 31340901888

約数和(自身を除く): 11253819957

約数列:

[1, 3, 7, 21, 67, 113, 201, 339, 469, 791, 1407, 2373, 7571, 22713, 52997, 126341, 158991, 379023, 884387, 2653161, 8464847, 14276533, 25394541, 42829599, 59253929, 99935731, 177761787, 299807193, 956527711, 2869583133, 6695693977, 20087081931]

約数ペア:

[(1, 20087081931), (3, 6695693977), (7, 2869583133), (21, 956527711), (67, 299807193), (113, 177761787), (201, 99935731), (339, 59253929), (469, 42829599), (791, 25394541), (1407, 14276533), (2373, 8464847), (7571, 2653161), (22713, 884387), (52997, 379023), (126341, 158991)]