20584905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 15858615

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1709, 2409, 4015, 5127, 8545, 12045, 18799, 25635, 56397, 93995, 124757, 281985, 374271, 623785, 1372327, 1871355, 4116981, 6861635, 20584905]

約数ペア:

[(1, 20584905), (3, 6861635), (5, 4116981), (11, 1871355), (15, 1372327), (33, 623785), (55, 374271), (73, 281985), (165, 124757), (219, 93995), (365, 56397), (803, 25635), (1095, 18799), (1709, 12045), (2409, 8545), (4015, 5127)]