20966703

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 28777056

約数和(自身を除く): 7810353

約数列:

[1, 3, 41, 123, 373, 457, 1119, 1371, 15293, 18737, 45879, 56211, 170461, 511383, 6988901, 20966703]

約数ペア:

[(1, 20966703), (3, 6988901), (41, 511383), (123, 170461), (373, 56211), (457, 45879), (1119, 18737), (1371, 15293)]