20034945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 42375168

約数和(自身を除く): 22340223

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 63, 81, 105, 111, 135, 185, 189, 191, 259, 315, 333, 405, 555, 567, 573, 777, 945, 955, 999, 1295, 1337, 1665, 1719, 2331, 2835, 2865, 2997, 3885, 4011, 4995, 5157, 6685, 6993, 7067, 8595, 11655, 12033, 14985, 15471, 20055, 20979, 21201, 25785, 34965, 35335, 36099, 49469, 60165, 63603, 77355, 104895, 106005, 108297, 148407, 180495, 190809, 247345, 318015, 445221, 541485, 572427, 742035, 954045, 1335663, 2226105, 2862135, 4006989, 6678315, 20034945]

約数ペア:

[(1, 20034945), (3, 6678315), (5, 4006989), (7, 2862135), (9, 2226105), (15, 1335663), (21, 954045), (27, 742035), (35, 572427), (37, 541485), (45, 445221), (63, 318015), (81, 247345), (105, 190809), (111, 180495), (135, 148407), (185, 108297), (189, 106005), (191, 104895), (259, 77355), (315, 63603), (333, 60165), (405, 49469), (555, 36099), (567, 35335), (573, 34965), (777, 25785), (945, 21201), (955, 20979), (999, 20055), (1295, 15471), (1337, 14985), (1665, 12033), (1719, 11655), (2331, 8595), (2835, 7067), (2865, 6993), (2997, 6685), (3885, 5157), (4011, 4995)]