20106712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{739}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 39960000

約数和(自身を除く): 19853288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 179, 358, 716, 739, 1432, 1478, 2956, 3401, 5912, 6802, 13604, 14041, 27208, 28082, 56164, 112328, 132281, 264562, 529124, 1058248, 2513339, 5026678, 10053356, 20106712]

約数ペア:

[(1, 20106712), (2, 10053356), (4, 5026678), (8, 2513339), (19, 1058248), (38, 529124), (76, 264562), (152, 132281), (179, 112328), (358, 56164), (716, 28082), (739, 27208), (1432, 14041), (1478, 13604), (2956, 6802), (3401, 5912)]