20596785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2965

約数の個数: 32

約数和(自身を含む): 36799488

約数和(自身を除く): 16202703

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2903, 7095, 8709, 14515, 31933, 43545, 95799, 124829, 159665, 374487, 478995, 624145, 1373119, 1872435, 4119357, 6865595, 20596785]

約数ペア:

[(1, 20596785), (3, 6865595), (5, 4119357), (11, 1872435), (15, 1373119), (33, 624145), (43, 478995), (55, 374487), (129, 159665), (165, 124829), (215, 95799), (473, 43545), (645, 31933), (1419, 14515), (2365, 8709), (2903, 7095)]