20823711

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6469}}^1$

素因数の和:6538

約数の個数: 16

約数和(自身を含む): 29503200

約数和(自身を除く): 8679489

約数列:

[1, 3, 29, 37, 87, 111, 1073, 3219, 6469, 19407, 187601, 239353, 562803, 718059, 6941237, 20823711]

約数ペア:

[(1, 20823711), (3, 6941237), (29, 718059), (37, 562803), (87, 239353), (111, 187601), (1073, 19407), (3219, 6469)]