20161689898

素因数分解:

$2^1\times 7^1\times {\mathrm{51157}}^1\times {\mathrm{28151}}^1$

素因数の和:79317

約数の個数: 16

約数和(自身を含む): 34564800384

約数和(自身を除く): 14403110486

約数列:

[1, 2, 7, 14, 28151, 51157, 56302, 102314, 197057, 358099, 394114, 716198, 1440120707, 2880241414, 10080844949, 20161689898]

約数ペア:

[(1, 20161689898), (2, 10080844949), (7, 2880241414), (14, 1440120707), (28151, 716198), (51157, 394114), (56302, 358099), (102314, 197057)]