20368425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3527}}^1$

素因数の和:3558

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21628887

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3527, 5775, 10581, 17635, 24689, 38797, 52905, 74067, 88175, 116391, 123445, 193985, 264525, 271579, 370335, 581955, 617225, 814737, 969925, 1357895, 1851675, 2909775, 4073685, 6789475, 20368425]

約数ペア:

[(1, 20368425), (3, 6789475), (5, 4073685), (7, 2909775), (11, 1851675), (15, 1357895), (21, 969925), (25, 814737), (33, 617225), (35, 581955), (55, 370335), (75, 271579), (77, 264525), (105, 193985), (165, 123445), (175, 116391), (231, 88175), (275, 74067), (385, 52905), (525, 38797), (825, 24689), (1155, 17635), (1925, 10581), (3527, 5775)]