20565800675

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71527}}^1$

素因数の和:71628

約数の個数: 48

約数和(自身を含む): 30652895232

約数和(自身を除く): 10087094557

約数列:

[1, 5, 7, 25, 31, 35, 53, 155, 175, 217, 265, 371, 775, 1085, 1325, 1643, 1855, 5425, 8215, 9275, 11501, 41075, 57505, 71527, 287525, 357635, 500689, 1788175, 2217337, 2503445, 3790931, 11086685, 12517225, 15521359, 18954655, 26536517, 55433425, 77606795, 94773275, 117518861, 132682585, 388033975, 587594305, 663412925, 822632027, 2937971525, 4113160135, 20565800675]

約数ペア:

[(1, 20565800675), (5, 4113160135), (7, 2937971525), (25, 822632027), (31, 663412925), (35, 587594305), (53, 388033975), (155, 132682585), (175, 117518861), (217, 94773275), (265, 77606795), (371, 55433425), (775, 26536517), (1085, 18954655), (1325, 15521359), (1643, 12517225), (1855, 11086685), (5425, 3790931), (8215, 2503445), (9275, 2217337), (11501, 1788175), (41075, 500689), (57505, 357635), (71527, 287525)]