20675600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 56091648

約数和(自身を除く): 35416048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 44, 50, 55, 74, 80, 88, 100, 110, 127, 148, 176, 185, 200, 220, 254, 275, 296, 370, 400, 407, 440, 508, 550, 592, 635, 740, 814, 880, 925, 1016, 1100, 1270, 1397, 1480, 1628, 1850, 2032, 2035, 2200, 2540, 2794, 2960, 3175, 3256, 3700, 4070, 4400, 4699, 5080, 5588, 6350, 6512, 6985, 7400, 8140, 9398, 10160, 10175, 11176, 12700, 13970, 14800, 16280, 18796, 20350, 22352, 23495, 25400, 27940, 32560, 34925, 37592, 40700, 46990, 50800, 51689, 55880, 69850, 75184, 81400, 93980, 103378, 111760, 117475, 139700, 162800, 187960, 206756, 234950, 258445, 279400, 375920, 413512, 469900, 516890, 558800, 827024, 939800, 1033780, 1292225, 1879600, 2067560, 2584450, 4135120, 5168900, 10337800, 20675600]

約数ペア:

[(1, 20675600), (2, 10337800), (4, 5168900), (5, 4135120), (8, 2584450), (10, 2067560), (11, 1879600), (16, 1292225), (20, 1033780), (22, 939800), (25, 827024), (37, 558800), (40, 516890), (44, 469900), (50, 413512), (55, 375920), (74, 279400), (80, 258445), (88, 234950), (100, 206756), (110, 187960), (127, 162800), (148, 139700), (176, 117475), (185, 111760), (200, 103378), (220, 93980), (254, 81400), (275, 75184), (296, 69850), (370, 55880), (400, 51689), (407, 50800), (440, 46990), (508, 40700), (550, 37592), (592, 34925), (635, 32560), (740, 27940), (814, 25400), (880, 23495), (925, 22352), (1016, 20350), (1100, 18796), (1270, 16280), (1397, 14800), (1480, 13970), (1628, 12700), (1850, 11176), (2032, 10175), (2035, 10160), (2200, 9398), (2540, 8140), (2794, 7400), (2960, 6985), (3175, 6512), (3256, 6350), (3700, 5588), (4070, 5080), (4400, 4699)]