20543089

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3673}}^1$

素因数の和:3744

約数の個数: 16

約数和(自身を含む): 25394688

約数和(自身を除く): 4851599

約数列:

[1, 7, 17, 47, 119, 329, 799, 3673, 5593, 25711, 62441, 172631, 437087, 1208417, 2934727, 20543089]

約数ペア:

[(1, 20543089), (7, 2934727), (17, 1208417), (47, 437087), (119, 172631), (329, 62441), (799, 25711), (3673, 5593)]