20342217

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3045

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14217783

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2999, 6783, 8997, 20993, 50983, 56981, 62979, 152949, 170943, 356881, 398867, 968677, 1070643, 1196601, 2906031, 6780739, 20342217]

約数ペア:

[(1, 20342217), (3, 6780739), (7, 2906031), (17, 1196601), (19, 1070643), (21, 968677), (51, 398867), (57, 356881), (119, 170943), (133, 152949), (323, 62979), (357, 56981), (399, 50983), (969, 20993), (2261, 8997), (2999, 6783)]