20173648520

素因数分解:

$2^3\times 5^1\times {\mathrm{5783}}^1\times {\mathrm{87211}}^1$

素因数の和:93005

約数の個数: 32

約数和(自身を含む): 45399078720

約数和(自身を除く): 25225430200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5783, 11566, 23132, 28915, 46264, 57830, 87211, 115660, 174422, 231320, 348844, 436055, 697688, 872110, 1744220, 3488440, 504341213, 1008682426, 2017364852, 2521706065, 4034729704, 5043412130, 10086824260, 20173648520]

約数ペア:

[(1, 20173648520), (2, 10086824260), (4, 5043412130), (5, 4034729704), (8, 2521706065), (10, 2017364852), (20, 1008682426), (40, 504341213), (5783, 3488440), (11566, 1744220), (23132, 872110), (28915, 697688), (46264, 436055), (57830, 348844), (87211, 231320), (115660, 174422)]