20902488

素因数分解:

$2^3\times 3^1\times {\mathrm{197}}^1\times {\mathrm{4421}}^1$

素因数の和:4627

約数の個数: 32

約数和(自身を含む): 52533360

約数和(自身を除く): 31630872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 197, 394, 591, 788, 1182, 1576, 2364, 4421, 4728, 8842, 13263, 17684, 26526, 35368, 53052, 106104, 870937, 1741874, 2612811, 3483748, 5225622, 6967496, 10451244, 20902488]

約数ペア:

[(1, 20902488), (2, 10451244), (3, 6967496), (4, 5225622), (6, 3483748), (8, 2612811), (12, 1741874), (24, 870937), (197, 106104), (394, 53052), (591, 35368), (788, 26526), (1182, 17684), (1576, 13263), (2364, 8842), (4421, 4728)]