20293820360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{266603}}^1$

素因数の和:266798

約数の個数: 64

約数和(自身を含む): 50100223680

約数和(自身を除く): 29806403320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 1384, 1730, 1903, 3460, 3806, 6920, 7612, 9515, 15224, 19030, 38060, 76120, 266603, 533206, 1066412, 1333015, 2132824, 2666030, 2932633, 5332060, 5865266, 10664120, 11730532, 14663165, 23461064, 29326330, 46122319, 58652660, 92244638, 117305320, 184489276, 230611595, 368978552, 461223190, 507345509, 922446380, 1014691018, 1844892760, 2029382036, 2536727545, 4058764072, 5073455090, 10146910180, 20293820360]

約数ペア:

[(1, 20293820360), (2, 10146910180), (4, 5073455090), (5, 4058764072), (8, 2536727545), (10, 2029382036), (11, 1844892760), (20, 1014691018), (22, 922446380), (40, 507345509), (44, 461223190), (55, 368978552), (88, 230611595), (110, 184489276), (173, 117305320), (220, 92244638), (346, 58652660), (440, 46122319), (692, 29326330), (865, 23461064), (1384, 14663165), (1730, 11730532), (1903, 10664120), (3460, 5865266), (3806, 5332060), (6920, 2932633), (7612, 2666030), (9515, 2132824), (15224, 1333015), (19030, 1066412), (38060, 533206), (76120, 266603)]