20677635

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 40191840

約数和(自身を除く): 19514205

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1129, 1221, 1665, 2035, 3387, 3663, 5645, 6105, 10161, 12419, 16935, 18315, 37257, 41773, 50805, 62095, 111771, 125319, 186285, 208865, 375957, 459503, 558855, 626595, 1378509, 1879785, 2297515, 4135527, 6892545, 20677635]

約数ペア:

[(1, 20677635), (3, 6892545), (5, 4135527), (9, 2297515), (11, 1879785), (15, 1378509), (33, 626595), (37, 558855), (45, 459503), (55, 375957), (99, 208865), (111, 186285), (165, 125319), (185, 111771), (333, 62095), (407, 50805), (495, 41773), (555, 37257), (1129, 18315), (1221, 16935), (1665, 12419), (2035, 10161), (3387, 6105), (3663, 5645)]