20047500

素因数分解:

$2^2\times 3^6\times 5^4\times {\mathrm{11}}^1$

素因数の和:53

約数の個数: 210

約数和(自身を含む): 71705172

約数和(自身を除く): 51657672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 81, 90, 99, 100, 108, 110, 125, 132, 135, 150, 162, 165, 180, 198, 220, 225, 243, 250, 270, 275, 297, 300, 324, 330, 375, 396, 405, 450, 486, 495, 500, 540, 550, 594, 625, 660, 675, 729, 750, 810, 825, 891, 900, 972, 990, 1100, 1125, 1188, 1215, 1250, 1350, 1375, 1458, 1485, 1500, 1620, 1650, 1782, 1875, 1980, 2025, 2250, 2430, 2475, 2500, 2673, 2700, 2750, 2916, 2970, 3300, 3375, 3564, 3645, 3750, 4050, 4125, 4455, 4500, 4860, 4950, 5346, 5500, 5625, 5940, 6075, 6750, 6875, 7290, 7425, 7500, 8019, 8100, 8250, 8910, 9900, 10125, 10692, 11250, 12150, 12375, 13365, 13500, 13750, 14580, 14850, 16038, 16500, 16875, 17820, 18225, 20250, 20625, 22275, 22500, 24300, 24750, 26730, 27500, 29700, 30375, 32076, 33750, 36450, 37125, 40095, 40500, 41250, 44550, 49500, 50625, 53460, 60750, 61875, 66825, 67500, 72900, 74250, 80190, 82500, 89100, 91125, 101250, 111375, 121500, 123750, 133650, 148500, 151875, 160380, 182250, 185625, 200475, 202500, 222750, 247500, 267300, 303750, 334125, 364500, 371250, 400950, 445500, 455625, 556875, 607500, 668250, 742500, 801900, 911250, 1002375, 1113750, 1336500, 1670625, 1822500, 2004750, 2227500, 3341250, 4009500, 5011875, 6682500, 10023750, 20047500]

約数ペア:

[(1, 20047500), (2, 10023750), (3, 6682500), (4, 5011875), (5, 4009500), (6, 3341250), (9, 2227500), (10, 2004750), (11, 1822500), (12, 1670625), (15, 1336500), (18, 1113750), (20, 1002375), (22, 911250), (25, 801900), (27, 742500), (30, 668250), (33, 607500), (36, 556875), (44, 455625), (45, 445500), (50, 400950), (54, 371250), (55, 364500), (60, 334125), (66, 303750), (75, 267300), (81, 247500), (90, 222750), (99, 202500), (100, 200475), (108, 185625), (110, 182250), (125, 160380), (132, 151875), (135, 148500), (150, 133650), (162, 123750), (165, 121500), (180, 111375), (198, 101250), (220, 91125), (225, 89100), (243, 82500), (250, 80190), (270, 74250), (275, 72900), (297, 67500), (300, 66825), (324, 61875), (330, 60750), (375, 53460), (396, 50625), (405, 49500), (450, 44550), (486, 41250), (495, 40500), (500, 40095), (540, 37125), (550, 36450), (594, 33750), (625, 32076), (660, 30375), (675, 29700), (729, 27500), (750, 26730), (810, 24750), (825, 24300), (891, 22500), (900, 22275), (972, 20625), (990, 20250), (1100, 18225), (1125, 17820), (1188, 16875), (1215, 16500), (1250, 16038), (1350, 14850), (1375, 14580), (1458, 13750), (1485, 13500), (1500, 13365), (1620, 12375), (1650, 12150), (1782, 11250), (1875, 10692), (1980, 10125), (2025, 9900), (2250, 8910), (2430, 8250), (2475, 8100), (2500, 8019), (2673, 7500), (2700, 7425), (2750, 7290), (2916, 6875), (2970, 6750), (3300, 6075), (3375, 5940), (3564, 5625), (3645, 5500), (3750, 5346), (4050, 4950), (4125, 4860), (4455, 4500)]