20343672921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1\times {\mathrm{28447}}^1$

素因数の和:30141

約数の個数: 32

約数和(自身を含む): 31887249408

約数和(自身を除く): 11543576487

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 1667, 5001, 18337, 21671, 28447, 55011, 65013, 85341, 238381, 312917, 369811, 715143, 938751, 1109433, 4067921, 12203763, 47421149, 142263447, 521632639, 616474937, 1564897917, 1849424811, 6781224307, 20343672921]

約数ペア:

[(1, 20343672921), (3, 6781224307), (11, 1849424811), (13, 1564897917), (33, 616474937), (39, 521632639), (143, 142263447), (429, 47421149), (1667, 12203763), (5001, 4067921), (18337, 1109433), (21671, 938751), (28447, 715143), (55011, 369811), (65013, 312917), (85341, 238381)]