20028172

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 36303120

約数和(自身を除く): 16274948

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1259, 2518, 3977, 5036, 7954, 15908, 51619, 103238, 122123, 206476, 244246, 488492, 5007043, 10014086, 20028172]

約数ペア:

[(1, 20028172), (2, 10014086), (4, 5007043), (41, 488492), (82, 244246), (97, 206476), (164, 122123), (194, 103238), (388, 51619), (1259, 15908), (2518, 7954), (3977, 5036)]