20155500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{1493}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 65257920

約数和(自身を除く): 45102420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 675, 750, 900, 1125, 1350, 1493, 1500, 2250, 2700, 2986, 3375, 4479, 4500, 5972, 6750, 7465, 8958, 13437, 13500, 14930, 17916, 22395, 26874, 29860, 37325, 40311, 44790, 53748, 67185, 74650, 80622, 89580, 111975, 134370, 149300, 161244, 186625, 201555, 223950, 268740, 335925, 373250, 403110, 447900, 559875, 671850, 746500, 806220, 1007775, 1119750, 1343700, 1679625, 2015550, 2239500, 3359250, 4031100, 5038875, 6718500, 10077750, 20155500]

約数ペア:

[(1, 20155500), (2, 10077750), (3, 6718500), (4, 5038875), (5, 4031100), (6, 3359250), (9, 2239500), (10, 2015550), (12, 1679625), (15, 1343700), (18, 1119750), (20, 1007775), (25, 806220), (27, 746500), (30, 671850), (36, 559875), (45, 447900), (50, 403110), (54, 373250), (60, 335925), (75, 268740), (90, 223950), (100, 201555), (108, 186625), (125, 161244), (135, 149300), (150, 134370), (180, 111975), (225, 89580), (250, 80622), (270, 74650), (300, 67185), (375, 53748), (450, 44790), (500, 40311), (540, 37325), (675, 29860), (750, 26874), (900, 22395), (1125, 17916), (1350, 14930), (1493, 13500), (1500, 13437), (2250, 8958), (2700, 7465), (2986, 6750), (3375, 5972), (4479, 4500)]