20959728

素因数分解:

$2^4\times 3^1\times {\mathrm{353}}^1\times {\mathrm{1237}}^1$

素因数の和:1601

約数の個数: 40

約数和(自身を含む): 54343248

約数和(自身を除く): 33383520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 353, 706, 1059, 1237, 1412, 2118, 2474, 2824, 3711, 4236, 4948, 5648, 7422, 8472, 9896, 14844, 16944, 19792, 29688, 59376, 436661, 873322, 1309983, 1746644, 2619966, 3493288, 5239932, 6986576, 10479864, 20959728]

約数ペア:

[(1, 20959728), (2, 10479864), (3, 6986576), (4, 5239932), (6, 3493288), (8, 2619966), (12, 1746644), (16, 1309983), (24, 873322), (48, 436661), (353, 59376), (706, 29688), (1059, 19792), (1237, 16944), (1412, 14844), (2118, 9896), (2474, 8472), (2824, 7422), (3711, 5648), (4236, 4948)]