20942715

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12809}}^1$

素因数の和:12926

約数の個数: 16

約数和(自身を含む): 33818400

約数和(自身を除く): 12875685

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12809, 38427, 64045, 192135, 1396181, 4188543, 6980905, 20942715]

約数ペア:

[(1, 20942715), (3, 6980905), (5, 4188543), (15, 1396181), (109, 192135), (327, 64045), (545, 38427), (1635, 12809)]