20131968280

素因数分解:

$2^3\times 5^1\times {\mathrm{503299207}}^1$

素因数の和:503299218

約数の個数: 16

約数和(自身を含む): 45296928720

約数和(自身を除く): 25164960440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503299207, 1006598414, 2013196828, 2516496035, 4026393656, 5032992070, 10065984140, 20131968280]

約数ペア:

[(1, 20131968280), (2, 10065984140), (4, 5032992070), (5, 4026393656), (8, 2516496035), (10, 2013196828), (20, 1006598414), (40, 503299207)]