20577832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 42340320

約数和(自身を除く): 21762488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 394, 788, 1187, 1576, 2167, 2374, 4334, 4748, 8668, 9496, 13057, 17336, 26114, 52228, 104456, 233839, 467678, 935356, 1870712, 2572229, 5144458, 10288916, 20577832]

約数ペア:

[(1, 20577832), (2, 10288916), (4, 5144458), (8, 2572229), (11, 1870712), (22, 935356), (44, 467678), (88, 233839), (197, 104456), (394, 52228), (788, 26114), (1187, 17336), (1576, 13057), (2167, 9496), (2374, 8668), (4334, 4748)]