20721073320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{206303}}^1$

素因数の和:206357

約数の個数: 160

約数和(自身を含む): 71892817920

約数和(自身を除く): 51171744600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 540, 558, 620, 648, 744, 810, 837, 930, 1080, 1116, 1240, 1395, 1620, 1674, 1860, 2232, 2511, 2790, 3240, 3348, 3720, 4185, 5022, 5580, 6696, 8370, 10044, 11160, 12555, 16740, 20088, 25110, 33480, 50220, 100440, 206303, 412606, 618909, 825212, 1031515, 1237818, 1650424, 1856727, 2063030, 2475636, 3094545, 3713454, 4126060, 4951272, 5570181, 6189090, 6395393, 7426908, 8252120, 9283635, 11140362, 12378180, 12790786, 14853816, 16710543, 18567270, 19186179, 22280724, 24756360, 25581572, 27850905, 31976965, 33421086, 37134540, 38372358, 44561448, 51163144, 55701810, 57558537, 63953930, 66842172, 74269080, 76744716, 83552715, 95930895, 111403620, 115117074, 127907860, 133684344, 153489432, 167105430, 172675611, 191861790, 222807240, 230234148, 255815720, 287792685, 334210860, 345351222, 383723580, 460468296, 518026833, 575585370, 668421720, 690702444, 767447160, 863378055, 1036053666, 1151170740, 1381404888, 1726756110, 2072107332, 2302341480, 2590134165, 3453512220, 4144214664, 5180268330, 6907024440, 10360536660, 20721073320]

約数ペア:

[(1, 20721073320), (2, 10360536660), (3, 6907024440), (4, 5180268330), (5, 4144214664), (6, 3453512220), (8, 2590134165), (9, 2302341480), (10, 2072107332), (12, 1726756110), (15, 1381404888), (18, 1151170740), (20, 1036053666), (24, 863378055), (27, 767447160), (30, 690702444), (31, 668421720), (36, 575585370), (40, 518026833), (45, 460468296), (54, 383723580), (60, 345351222), (62, 334210860), (72, 287792685), (81, 255815720), (90, 230234148), (93, 222807240), (108, 191861790), (120, 172675611), (124, 167105430), (135, 153489432), (155, 133684344), (162, 127907860), (180, 115117074), (186, 111403620), (216, 95930895), (248, 83552715), (270, 76744716), (279, 74269080), (310, 66842172), (324, 63953930), (360, 57558537), (372, 55701810), (405, 51163144), (465, 44561448), (540, 38372358), (558, 37134540), (620, 33421086), (648, 31976965), (744, 27850905), (810, 25581572), (837, 24756360), (930, 22280724), (1080, 19186179), (1116, 18567270), (1240, 16710543), (1395, 14853816), (1620, 12790786), (1674, 12378180), (1860, 11140362), (2232, 9283635), (2511, 8252120), (2790, 7426908), (3240, 6395393), (3348, 6189090), (3720, 5570181), (4185, 4951272), (5022, 4126060), (5580, 3713454), (6696, 3094545), (8370, 2475636), (10044, 2063030), (11160, 1856727), (12555, 1650424), (16740, 1237818), (20088, 1031515), (25110, 825212), (33480, 618909), (50220, 412606), (100440, 206303)]