20452500

素因数分解:

$2^2\times 3^4\times 5^4\times {\mathrm{101}}^1$

素因数の和:137

約数の個数: 150

約数和(自身を含む): 67473714

約数和(自身を除く): 47021214

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 101, 108, 125, 135, 150, 162, 180, 202, 225, 250, 270, 300, 303, 324, 375, 404, 405, 450, 500, 505, 540, 606, 625, 675, 750, 810, 900, 909, 1010, 1125, 1212, 1250, 1350, 1500, 1515, 1620, 1818, 1875, 2020, 2025, 2250, 2500, 2525, 2700, 2727, 3030, 3375, 3636, 3750, 4050, 4500, 4545, 5050, 5454, 5625, 6060, 6750, 7500, 7575, 8100, 8181, 9090, 10100, 10125, 10908, 11250, 12625, 13500, 13635, 15150, 16362, 16875, 18180, 20250, 22500, 22725, 25250, 27270, 30300, 32724, 33750, 37875, 40500, 40905, 45450, 50500, 50625, 54540, 63125, 67500, 68175, 75750, 81810, 90900, 101250, 113625, 126250, 136350, 151500, 163620, 189375, 202500, 204525, 227250, 252500, 272700, 340875, 378750, 409050, 454500, 568125, 681750, 757500, 818100, 1022625, 1136250, 1363500, 1704375, 2045250, 2272500, 3408750, 4090500, 5113125, 6817500, 10226250, 20452500]

約数ペア:

[(1, 20452500), (2, 10226250), (3, 6817500), (4, 5113125), (5, 4090500), (6, 3408750), (9, 2272500), (10, 2045250), (12, 1704375), (15, 1363500), (18, 1136250), (20, 1022625), (25, 818100), (27, 757500), (30, 681750), (36, 568125), (45, 454500), (50, 409050), (54, 378750), (60, 340875), (75, 272700), (81, 252500), (90, 227250), (100, 204525), (101, 202500), (108, 189375), (125, 163620), (135, 151500), (150, 136350), (162, 126250), (180, 113625), (202, 101250), (225, 90900), (250, 81810), (270, 75750), (300, 68175), (303, 67500), (324, 63125), (375, 54540), (404, 50625), (405, 50500), (450, 45450), (500, 40905), (505, 40500), (540, 37875), (606, 33750), (625, 32724), (675, 30300), (750, 27270), (810, 25250), (900, 22725), (909, 22500), (1010, 20250), (1125, 18180), (1212, 16875), (1250, 16362), (1350, 15150), (1500, 13635), (1515, 13500), (1620, 12625), (1818, 11250), (1875, 10908), (2020, 10125), (2025, 10100), (2250, 9090), (2500, 8181), (2525, 8100), (2700, 7575), (2727, 7500), (3030, 6750), (3375, 6060), (3636, 5625), (3750, 5454), (4050, 5050), (4500, 4545)]