20160921232

素因数分解:

$2^4\times {\mathrm{4153}}^1\times {\mathrm{303409}}^1$

素因数の和:307570

約数の個数: 20

約数和(自身を含む): 39071319340

約数和(自身を除く): 18910398108

約数列:

[1, 2, 4, 8, 16, 4153, 8306, 16612, 33224, 66448, 303409, 606818, 1213636, 2427272, 4854544, 1260057577, 2520115154, 5040230308, 10080460616, 20160921232]

約数ペア:

[(1, 20160921232), (2, 10080460616), (4, 5040230308), (8, 2520115154), (16, 1260057577), (4153, 4854544), (8306, 2427272), (16612, 1213636), (33224, 606818), (66448, 303409)]