20054925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 41842560

約数和(自身を除く): 21787635

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 37, 45, 55, 73, 75, 99, 111, 135, 165, 185, 219, 225, 275, 297, 333, 365, 407, 495, 555, 657, 675, 803, 825, 925, 999, 1095, 1221, 1485, 1665, 1825, 1971, 2035, 2409, 2475, 2701, 2775, 3285, 3663, 4015, 4995, 5475, 6105, 7227, 7425, 8103, 8325, 9855, 10175, 10989, 12045, 13505, 16425, 18315, 20075, 21681, 24309, 24975, 29711, 30525, 36135, 40515, 49275, 54945, 60225, 67525, 72927, 89133, 91575, 108405, 121545, 148555, 180675, 202575, 267399, 274725, 364635, 445665, 542025, 607725, 742775, 802197, 1336995, 1823175, 2228325, 4010985, 6684975, 20054925]

約数ペア:

[(1, 20054925), (3, 6684975), (5, 4010985), (9, 2228325), (11, 1823175), (15, 1336995), (25, 802197), (27, 742775), (33, 607725), (37, 542025), (45, 445665), (55, 364635), (73, 274725), (75, 267399), (99, 202575), (111, 180675), (135, 148555), (165, 121545), (185, 108405), (219, 91575), (225, 89133), (275, 72927), (297, 67525), (333, 60225), (365, 54945), (407, 49275), (495, 40515), (555, 36135), (657, 30525), (675, 29711), (803, 24975), (825, 24309), (925, 21681), (999, 20075), (1095, 18315), (1221, 16425), (1485, 13505), (1665, 12045), (1825, 10989), (1971, 10175), (2035, 9855), (2409, 8325), (2475, 8103), (2701, 7425), (2775, 7227), (3285, 6105), (3663, 5475), (4015, 4995)]