20193396575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{180419}}^1$

素因数の和:180488

約数の個数: 36

約数和(自身を含む): 28267123080

約数和(自身を除く): 8073726505

約数列:

[1, 5, 11, 25, 37, 55, 121, 185, 275, 407, 605, 925, 2035, 3025, 4477, 10175, 22385, 111925, 180419, 902095, 1984609, 4510475, 6675503, 9923045, 21830699, 33377515, 49615225, 73430533, 109153495, 166887575, 367152665, 545767475, 807735863, 1835763325, 4038679315, 20193396575]

約数ペア:

[(1, 20193396575), (5, 4038679315), (11, 1835763325), (25, 807735863), (37, 545767475), (55, 367152665), (121, 166887575), (185, 109153495), (275, 73430533), (407, 49615225), (605, 33377515), (925, 21830699), (2035, 9923045), (3025, 6675503), (4477, 4510475), (10175, 1984609), (22385, 902095), (111925, 180419)]