20521825800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{68819}}^1$

素因数の和:68916

約数の個数: 192

約数和(自身を含む): 73730995200

約数和(自身を除く): 53209169400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 71, 75, 84, 100, 105, 120, 140, 142, 150, 168, 175, 200, 210, 213, 280, 284, 300, 350, 355, 420, 426, 497, 525, 568, 600, 700, 710, 840, 852, 994, 1050, 1065, 1400, 1420, 1491, 1704, 1775, 1988, 2100, 2130, 2485, 2840, 2982, 3550, 3976, 4200, 4260, 4970, 5325, 5964, 7100, 7455, 8520, 9940, 10650, 11928, 12425, 14200, 14910, 19880, 21300, 24850, 29820, 37275, 42600, 49700, 59640, 68819, 74550, 99400, 137638, 149100, 206457, 275276, 298200, 344095, 412914, 481733, 550552, 688190, 825828, 963466, 1032285, 1376380, 1445199, 1651656, 1720475, 1926932, 2064570, 2408665, 2752760, 2890398, 3440950, 3853864, 4129140, 4817330, 4886149, 5161425, 5780796, 6881900, 7225995, 8258280, 9634660, 9772298, 10322850, 11561592, 12043325, 13763800, 14451990, 14658447, 19269320, 19544596, 20645700, 24086650, 24430745, 28903980, 29316894, 34203043, 36129975, 39089192, 41291400, 48173300, 48861490, 57807960, 58633788, 68406086, 72259950, 73292235, 96346600, 97722980, 102609129, 117267576, 122153725, 136812172, 144519900, 146584470, 171015215, 195445960, 205218258, 244307450, 273624344, 289039800, 293168940, 342030430, 366461175, 410436516, 488614900, 513045645, 586337880, 684060860, 732922350, 820873032, 855076075, 977229800, 1026091290, 1368121720, 1465844700, 1710152150, 2052182580, 2565228225, 2931689400, 3420304300, 4104365160, 5130456450, 6840608600, 10260912900, 20521825800]

約数ペア:

[(1, 20521825800), (2, 10260912900), (3, 6840608600), (4, 5130456450), (5, 4104365160), (6, 3420304300), (7, 2931689400), (8, 2565228225), (10, 2052182580), (12, 1710152150), (14, 1465844700), (15, 1368121720), (20, 1026091290), (21, 977229800), (24, 855076075), (25, 820873032), (28, 732922350), (30, 684060860), (35, 586337880), (40, 513045645), (42, 488614900), (50, 410436516), (56, 366461175), (60, 342030430), (70, 293168940), (71, 289039800), (75, 273624344), (84, 244307450), (100, 205218258), (105, 195445960), (120, 171015215), (140, 146584470), (142, 144519900), (150, 136812172), (168, 122153725), (175, 117267576), (200, 102609129), (210, 97722980), (213, 96346600), (280, 73292235), (284, 72259950), (300, 68406086), (350, 58633788), (355, 57807960), (420, 48861490), (426, 48173300), (497, 41291400), (525, 39089192), (568, 36129975), (600, 34203043), (700, 29316894), (710, 28903980), (840, 24430745), (852, 24086650), (994, 20645700), (1050, 19544596), (1065, 19269320), (1400, 14658447), (1420, 14451990), (1491, 13763800), (1704, 12043325), (1775, 11561592), (1988, 10322850), (2100, 9772298), (2130, 9634660), (2485, 8258280), (2840, 7225995), (2982, 6881900), (3550, 5780796), (3976, 5161425), (4200, 4886149), (4260, 4817330), (4970, 4129140), (5325, 3853864), (5964, 3440950), (7100, 2890398), (7455, 2752760), (8520, 2408665), (9940, 2064570), (10650, 1926932), (11928, 1720475), (12425, 1651656), (14200, 1445199), (14910, 1376380), (19880, 1032285), (21300, 963466), (24850, 825828), (29820, 688190), (37275, 550552), (42600, 481733), (49700, 412914), (59640, 344095), (68819, 298200), (74550, 275276), (99400, 206457), (137638, 149100)]