20210546475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{754829}}^1$

素因数の和:754869

約数の個数: 72

約数和(自身を含む): 43804294560

約数和(自身を除く): 23593748085

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 765, 1071, 1275, 1575, 1785, 2975, 3825, 5355, 8925, 26775, 754829, 2264487, 3774145, 5283803, 6793461, 11322435, 12832093, 15851409, 18870725, 26419015, 33967305, 38496279, 47554227, 56612175, 64160465, 79257045, 89824651, 115488837, 132095075, 169836525, 192481395, 237771135, 269473953, 320802325, 396285225, 449123255, 577444185, 808421859, 962406975, 1188855675, 1347369765, 2245616275, 2887220925, 4042109295, 6736848825, 20210546475]

約数ペア:

[(1, 20210546475), (3, 6736848825), (5, 4042109295), (7, 2887220925), (9, 2245616275), (15, 1347369765), (17, 1188855675), (21, 962406975), (25, 808421859), (35, 577444185), (45, 449123255), (51, 396285225), (63, 320802325), (75, 269473953), (85, 237771135), (105, 192481395), (119, 169836525), (153, 132095075), (175, 115488837), (225, 89824651), (255, 79257045), (315, 64160465), (357, 56612175), (425, 47554227), (525, 38496279), (595, 33967305), (765, 26419015), (1071, 18870725), (1275, 15851409), (1575, 12832093), (1785, 11322435), (2975, 6793461), (3825, 5283803), (5355, 3774145), (8925, 2264487), (26775, 754829)]