20954199

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4729}}^1$

素因数の和:4950

約数の個数: 16

約数和(自身を含む): 32088320

約数和(自身を除く): 11134121

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4729, 14187, 33103, 99309, 997819, 2993457, 6984733, 20954199]

約数ペア:

[(1, 20954199), (3, 6984733), (7, 2993457), (21, 997819), (211, 99309), (633, 33103), (1477, 14187), (4431, 4729)]