20114865

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4027}}^1$

素因数の和:4078

約数の個数: 32

約数和(自身を含む): 36735360

約数和(自身を除く): 16620495

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4027, 4995, 12081, 20135, 36243, 60405, 108729, 148999, 181215, 446997, 543645, 744995, 1340991, 2234985, 4022973, 6704955, 20114865]

約数ペア:

[(1, 20114865), (3, 6704955), (5, 4022973), (9, 2234985), (15, 1340991), (27, 744995), (37, 543645), (45, 446997), (111, 181215), (135, 148999), (185, 108729), (333, 60405), (555, 36243), (999, 20135), (1665, 12081), (4027, 4995)]