20857338000

素因数分解:

$2^4\times 3^4\times 5^3\times {\mathrm{128749}}^1$

素因数の和:128784

約数の個数: 200

約数和(自身を含む): 75338835000

約数和(自身を除く): 54481497000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 125, 135, 144, 150, 162, 180, 200, 216, 225, 240, 250, 270, 300, 324, 360, 375, 400, 405, 432, 450, 500, 540, 600, 648, 675, 720, 750, 810, 900, 1000, 1080, 1125, 1200, 1296, 1350, 1500, 1620, 1800, 2000, 2025, 2160, 2250, 2700, 3000, 3240, 3375, 3600, 4050, 4500, 5400, 6000, 6480, 6750, 8100, 9000, 10125, 10800, 13500, 16200, 18000, 20250, 27000, 32400, 40500, 54000, 81000, 128749, 162000, 257498, 386247, 514996, 643745, 772494, 1029992, 1158741, 1287490, 1544988, 1931235, 2059984, 2317482, 2574980, 3089976, 3218725, 3476223, 3862470, 4634964, 5149960, 5793705, 6179952, 6437450, 6952446, 7724940, 9269928, 9656175, 10299920, 10428669, 11587410, 12874900, 13904892, 15449880, 16093625, 17381115, 18539856, 19312350, 20857338, 23174820, 25749800, 27809784, 28968525, 30899760, 32187250, 34762230, 38624700, 41714676, 46349640, 48280875, 51499600, 52143345, 55619568, 57937050, 64374500, 69524460, 77249400, 83429352, 86905575, 92699280, 96561750, 104286690, 115874100, 128749000, 139048920, 144842625, 154498800, 166858704, 173811150, 193123500, 208573380, 231748200, 257498000, 260716725, 278097840, 289685250, 347622300, 386247000, 417146760, 434527875, 463496400, 521433450, 579370500, 695244600, 772494000, 834293520, 869055750, 1042866900, 1158741000, 1303583625, 1390489200, 1738111500, 2085733800, 2317482000, 2607167250, 3476223000, 4171467600, 5214334500, 6952446000, 10428669000, 20857338000]

約数ペア:

[(1, 20857338000), (2, 10428669000), (3, 6952446000), (4, 5214334500), (5, 4171467600), (6, 3476223000), (8, 2607167250), (9, 2317482000), (10, 2085733800), (12, 1738111500), (15, 1390489200), (16, 1303583625), (18, 1158741000), (20, 1042866900), (24, 869055750), (25, 834293520), (27, 772494000), (30, 695244600), (36, 579370500), (40, 521433450), (45, 463496400), (48, 434527875), (50, 417146760), (54, 386247000), (60, 347622300), (72, 289685250), (75, 278097840), (80, 260716725), (81, 257498000), (90, 231748200), (100, 208573380), (108, 193123500), (120, 173811150), (125, 166858704), (135, 154498800), (144, 144842625), (150, 139048920), (162, 128749000), (180, 115874100), (200, 104286690), (216, 96561750), (225, 92699280), (240, 86905575), (250, 83429352), (270, 77249400), (300, 69524460), (324, 64374500), (360, 57937050), (375, 55619568), (400, 52143345), (405, 51499600), (432, 48280875), (450, 46349640), (500, 41714676), (540, 38624700), (600, 34762230), (648, 32187250), (675, 30899760), (720, 28968525), (750, 27809784), (810, 25749800), (900, 23174820), (1000, 20857338), (1080, 19312350), (1125, 18539856), (1200, 17381115), (1296, 16093625), (1350, 15449880), (1500, 13904892), (1620, 12874900), (1800, 11587410), (2000, 10428669), (2025, 10299920), (2160, 9656175), (2250, 9269928), (2700, 7724940), (3000, 6952446), (3240, 6437450), (3375, 6179952), (3600, 5793705), (4050, 5149960), (4500, 4634964), (5400, 3862470), (6000, 3476223), (6480, 3218725), (6750, 3089976), (8100, 2574980), (9000, 2317482), (10125, 2059984), (10800, 1931235), (13500, 1544988), (16200, 1287490), (18000, 1158741), (20250, 1029992), (27000, 772494), (32400, 643745), (40500, 514996), (54000, 386247), (81000, 257498), (128749, 162000)]