20718630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10009}}^1$

素因数の和:10045

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 35497530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10009, 20018, 30027, 50045, 60054, 90081, 100090, 150135, 180162, 230207, 300270, 450405, 460414, 690621, 900810, 1151035, 1381242, 2071863, 2302070, 3453105, 4143726, 6906210, 10359315, 20718630]

約数ペア:

[(1, 20718630), (2, 10359315), (3, 6906210), (5, 4143726), (6, 3453105), (9, 2302070), (10, 2071863), (15, 1381242), (18, 1151035), (23, 900810), (30, 690621), (45, 460414), (46, 450405), (69, 300270), (90, 230207), (115, 180162), (138, 150135), (207, 100090), (230, 90081), (345, 60054), (414, 50045), (690, 30027), (1035, 20018), (2070, 10009)]