20683376

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1223}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 46139904

約数和(自身を除く): 25456528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1208, 1223, 2114, 2416, 2446, 4228, 4892, 8456, 8561, 9784, 16912, 17122, 19568, 34244, 68488, 136976, 184673, 369346, 738692, 1292711, 1477384, 2585422, 2954768, 5170844, 10341688, 20683376]

約数ペア:

[(1, 20683376), (2, 10341688), (4, 5170844), (7, 2954768), (8, 2585422), (14, 1477384), (16, 1292711), (28, 738692), (56, 369346), (112, 184673), (151, 136976), (302, 68488), (604, 34244), (1057, 19568), (1208, 17122), (1223, 16912), (2114, 9784), (2416, 8561), (2446, 8456), (4228, 4892)]