20385000

素因数分解:

$2^3\times 3^3\times 5^4\times {\mathrm{151}}^1$

素因数の和:186

約数の個数: 160

約数和(自身を含む): 71227200

約数和(自身を除く): 50842200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 150, 151, 180, 200, 216, 225, 250, 270, 300, 302, 360, 375, 450, 453, 500, 540, 600, 604, 625, 675, 750, 755, 900, 906, 1000, 1080, 1125, 1208, 1250, 1350, 1359, 1500, 1510, 1800, 1812, 1875, 2250, 2265, 2500, 2700, 2718, 3000, 3020, 3375, 3624, 3750, 3775, 4077, 4500, 4530, 5000, 5400, 5436, 5625, 6040, 6750, 6795, 7500, 7550, 8154, 9000, 9060, 10872, 11250, 11325, 13500, 13590, 15000, 15100, 16308, 16875, 18120, 18875, 20385, 22500, 22650, 27000, 27180, 30200, 32616, 33750, 33975, 37750, 40770, 45000, 45300, 54360, 56625, 67500, 67950, 75500, 81540, 90600, 94375, 101925, 113250, 135000, 135900, 151000, 163080, 169875, 188750, 203850, 226500, 271800, 283125, 339750, 377500, 407700, 453000, 509625, 566250, 679500, 755000, 815400, 849375, 1019250, 1132500, 1359000, 1698750, 2038500, 2265000, 2548125, 3397500, 4077000, 5096250, 6795000, 10192500, 20385000]

約数ペア:

[(1, 20385000), (2, 10192500), (3, 6795000), (4, 5096250), (5, 4077000), (6, 3397500), (8, 2548125), (9, 2265000), (10, 2038500), (12, 1698750), (15, 1359000), (18, 1132500), (20, 1019250), (24, 849375), (25, 815400), (27, 755000), (30, 679500), (36, 566250), (40, 509625), (45, 453000), (50, 407700), (54, 377500), (60, 339750), (72, 283125), (75, 271800), (90, 226500), (100, 203850), (108, 188750), (120, 169875), (125, 163080), (135, 151000), (150, 135900), (151, 135000), (180, 113250), (200, 101925), (216, 94375), (225, 90600), (250, 81540), (270, 75500), (300, 67950), (302, 67500), (360, 56625), (375, 54360), (450, 45300), (453, 45000), (500, 40770), (540, 37750), (600, 33975), (604, 33750), (625, 32616), (675, 30200), (750, 27180), (755, 27000), (900, 22650), (906, 22500), (1000, 20385), (1080, 18875), (1125, 18120), (1208, 16875), (1250, 16308), (1350, 15100), (1359, 15000), (1500, 13590), (1510, 13500), (1800, 11325), (1812, 11250), (1875, 10872), (2250, 9060), (2265, 9000), (2500, 8154), (2700, 7550), (2718, 7500), (3000, 6795), (3020, 6750), (3375, 6040), (3624, 5625), (3750, 5436), (3775, 5400), (4077, 5000), (4500, 4530)]