20387968

素因数分解:

$2^7\times {\mathrm{149}}^1\times {\mathrm{1069}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 40927500

約数和(自身を除く): 20539532

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 298, 596, 1069, 1192, 2138, 2384, 4276, 4768, 8552, 9536, 17104, 19072, 34208, 68416, 136832, 159281, 318562, 637124, 1274248, 2548496, 5096992, 10193984, 20387968]

約数ペア:

[(1, 20387968), (2, 10193984), (4, 5096992), (8, 2548496), (16, 1274248), (32, 637124), (64, 318562), (128, 159281), (149, 136832), (298, 68416), (596, 34208), (1069, 19072), (1192, 17104), (2138, 9536), (2384, 8552), (4276, 4768)]