20161587628

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{37501}}^1$

素因数の和:37743

約数の個数: 72

約数和(自身を含む): 44411068464

約数和(自身を除く): 24249480836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 211, 364, 422, 637, 844, 1274, 1477, 2548, 2743, 2954, 5486, 5908, 10339, 10972, 19201, 20678, 37501, 38402, 41356, 75002, 76804, 134407, 150004, 262507, 268814, 487513, 525014, 537628, 975026, 1050028, 1837549, 1950052, 3412591, 3675098, 6825182, 7350196, 7912711, 13650364, 15825422, 23888137, 31650844, 47776274, 55388977, 95552548, 102865243, 110777954, 205730486, 221555908, 387722839, 411460972, 720056701, 775445678, 1440113402, 1550891356, 2880226804, 5040396907, 10080793814, 20161587628]

約数ペア:

[(1, 20161587628), (2, 10080793814), (4, 5040396907), (7, 2880226804), (13, 1550891356), (14, 1440113402), (26, 775445678), (28, 720056701), (49, 411460972), (52, 387722839), (91, 221555908), (98, 205730486), (182, 110777954), (196, 102865243), (211, 95552548), (364, 55388977), (422, 47776274), (637, 31650844), (844, 23888137), (1274, 15825422), (1477, 13650364), (2548, 7912711), (2743, 7350196), (2954, 6825182), (5486, 3675098), (5908, 3412591), (10339, 1950052), (10972, 1837549), (19201, 1050028), (20678, 975026), (37501, 537628), (38402, 525014), (41356, 487513), (75002, 268814), (76804, 262507), (134407, 150004)]