20736705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 36558720

約数和(自身を除く): 15822015

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1153, 1199, 1635, 3459, 3597, 5765, 5995, 12683, 17295, 17985, 38049, 63415, 125677, 190245, 377031, 628385, 1382447, 1885155, 4147341, 6912235, 20736705]

約数ペア:

[(1, 20736705), (3, 6912235), (5, 4147341), (11, 1885155), (15, 1382447), (33, 628385), (55, 377031), (109, 190245), (165, 125677), (327, 63415), (545, 38049), (1153, 17985), (1199, 17295), (1635, 12683), (3459, 5995), (3597, 5765)]