20398500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{1511}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45645660

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, 1500, 1511, 2250, 2700, 3022, 3375, 4500, 4533, 6044, 6750, 7555, 9066, 13500, 13599, 15110, 18132, 22665, 27198, 30220, 37775, 40797, 45330, 54396, 67995, 75550, 81594, 90660, 113325, 135990, 151100, 163188, 188875, 203985, 226650, 271980, 339975, 377750, 407970, 453300, 566625, 679950, 755500, 815940, 1019925, 1133250, 1359900, 1699875, 2039850, 2266500, 3399750, 4079700, 5099625, 6799500, 10199250, 20398500]

約数ペア:

[(1, 20398500), (2, 10199250), (3, 6799500), (4, 5099625), (5, 4079700), (6, 3399750), (9, 2266500), (10, 2039850), (12, 1699875), (15, 1359900), (18, 1133250), (20, 1019925), (25, 815940), (27, 755500), (30, 679950), (36, 566625), (45, 453300), (50, 407970), (54, 377750), (60, 339975), (75, 271980), (90, 226650), (100, 203985), (108, 188875), (125, 163188), (135, 151100), (150, 135990), (180, 113325), (225, 90660), (250, 81594), (270, 75550), (300, 67995), (375, 54396), (450, 45330), (500, 40797), (540, 37775), (675, 30220), (750, 27198), (900, 22665), (1125, 18132), (1350, 15110), (1500, 13599), (1511, 13500), (2250, 9066), (2700, 7555), (3022, 6750), (3375, 6044), (4500, 4533)]