20534145920

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:2024

約数の個数: 128

約数和(自身を含む): 49868844480

約数和(自身を除く): 29334698560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 181, 206, 320, 362, 412, 515, 640, 724, 824, 905, 1030, 1448, 1648, 1721, 1810, 2060, 2896, 3296, 3442, 3620, 4120, 5792, 6592, 6884, 7240, 8240, 8605, 11584, 13184, 13768, 14480, 16480, 17210, 18643, 23168, 27536, 28960, 32960, 34420, 37286, 55072, 57920, 65920, 68840, 74572, 93215, 110144, 115840, 137680, 149144, 177263, 186430, 220288, 275360, 298288, 311501, 354526, 372860, 550720, 596576, 623002, 709052, 745720, 886315, 1101440, 1193152, 1246004, 1418104, 1491440, 1557505, 1772630, 2386304, 2492008, 2836208, 2982880, 3115010, 3545260, 4984016, 5672416, 5965760, 6230020, 7090520, 9968032, 11344832, 11931520, 12460040, 14181040, 19936064, 22689664, 24920080, 28362080, 32084603, 39872128, 49840160, 56724160, 64169206, 99680320, 113448320, 128338412, 160423015, 199360640, 256676824, 320846030, 513353648, 641692060, 1026707296, 1283384120, 2053414592, 2566768240, 4106829184, 5133536480, 10267072960, 20534145920]

約数ペア:

[(1, 20534145920), (2, 10267072960), (4, 5133536480), (5, 4106829184), (8, 2566768240), (10, 2053414592), (16, 1283384120), (20, 1026707296), (32, 641692060), (40, 513353648), (64, 320846030), (80, 256676824), (103, 199360640), (128, 160423015), (160, 128338412), (181, 113448320), (206, 99680320), (320, 64169206), (362, 56724160), (412, 49840160), (515, 39872128), (640, 32084603), (724, 28362080), (824, 24920080), (905, 22689664), (1030, 19936064), (1448, 14181040), (1648, 12460040), (1721, 11931520), (1810, 11344832), (2060, 9968032), (2896, 7090520), (3296, 6230020), (3442, 5965760), (3620, 5672416), (4120, 4984016), (5792, 3545260), (6592, 3115010), (6884, 2982880), (7240, 2836208), (8240, 2492008), (8605, 2386304), (11584, 1772630), (13184, 1557505), (13768, 1491440), (14480, 1418104), (16480, 1246004), (17210, 1193152), (18643, 1101440), (23168, 886315), (27536, 745720), (28960, 709052), (32960, 623002), (34420, 596576), (37286, 550720), (55072, 372860), (57920, 354526), (65920, 311501), (68840, 298288), (74572, 275360), (93215, 220288), (110144, 186430), (115840, 177263), (137680, 149144)]