20997528

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38039}}^1$

素因数の和:38071

約数の個数: 32

約数和(自身を含む): 54777600

約数和(自身を除く): 33780072

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38039, 76078, 114117, 152156, 228234, 304312, 456468, 874897, 912936, 1749794, 2624691, 3499588, 5249382, 6999176, 10498764, 20997528]

約数ペア:

[(1, 20997528), (2, 10498764), (3, 6999176), (4, 5249382), (6, 3499588), (8, 2624691), (12, 1749794), (23, 912936), (24, 874897), (46, 456468), (69, 304312), (92, 228234), (138, 152156), (184, 114117), (276, 76078), (552, 38039)]