20939478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29327}}^1$

素因数の和:29356

約数の個数: 32

約数和(自身を含む): 50678784

約数和(自身を除く): 29739306

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 29327, 58654, 87981, 175962, 205289, 410578, 498559, 615867, 997118, 1231734, 1495677, 2991354, 3489913, 6979826, 10469739, 20939478]

約数ペア:

[(1, 20939478), (2, 10469739), (3, 6979826), (6, 3489913), (7, 2991354), (14, 1495677), (17, 1231734), (21, 997118), (34, 615867), (42, 498559), (51, 410578), (102, 205289), (119, 175962), (238, 87981), (357, 58654), (714, 29327)]