20091808

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5189}}^1$

素因数の和:5221

約数の個数: 36

約数和(自身を含む): 43487010

約数和(自身を除く): 23395202

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5189, 10378, 20756, 41512, 57079, 83024, 114158, 166048, 228316, 456632, 627869, 913264, 1255738, 1826528, 2511476, 5022952, 10045904, 20091808]

約数ペア:

[(1, 20091808), (2, 10045904), (4, 5022952), (8, 2511476), (11, 1826528), (16, 1255738), (22, 913264), (32, 627869), (44, 456632), (88, 228316), (121, 166048), (176, 114158), (242, 83024), (352, 57079), (484, 41512), (968, 20756), (1936, 10378), (3872, 5189)]