20111887545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{394699}}^1$

素因数の和:394829

約数の個数: 32

約数和(自身を含む): 33344256000

約数和(自身を除く): 13232368455

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 645, 1185, 3397, 10191, 16985, 50955, 394699, 1184097, 1973495, 5920485, 16972057, 31181221, 50916171, 84860285, 93543663, 155906105, 254580855, 467718315, 1340792503, 4022377509, 6703962515, 20111887545]

約数ペア:

[(1, 20111887545), (3, 6703962515), (5, 4022377509), (15, 1340792503), (43, 467718315), (79, 254580855), (129, 155906105), (215, 93543663), (237, 84860285), (395, 50916171), (645, 31181221), (1185, 16972057), (3397, 5920485), (10191, 1973495), (16985, 1184097), (50955, 394699)]