20321195890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43236587}}^1$

素因数の和:43236641

約数の個数: 16

約数和(自身を含む): 37356412032

約数和(自身を除く): 17035216142

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43236587, 86473174, 216182935, 432365870, 2032119589, 4064239178, 10160597945, 20321195890]

約数ペア:

[(1, 20321195890), (2, 10160597945), (5, 4064239178), (10, 2032119589), (47, 432365870), (94, 216182935), (235, 86473174), (470, 43236587)]