20515092780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{6869}}^1$

素因数の和:7448

約数の個数: 192

約数和(自身を含む): 70837724160

約数和(自身を除く): 50322631380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 547, 780, 910, 1092, 1094, 1365, 1641, 1820, 2188, 2730, 2735, 3282, 3829, 5460, 5470, 6564, 6869, 7111, 7658, 8205, 10940, 11487, 13738, 14222, 15316, 16410, 19145, 20607, 21333, 22974, 27476, 28444, 32820, 34345, 35555, 38290, 41214, 42666, 45948, 48083, 49777, 57435, 68690, 71110, 76580, 82428, 85332, 89297, 96166, 99554, 103035, 106665, 114870, 137380, 142220, 144249, 149331, 178594, 192332, 199108, 206070, 213330, 229740, 240415, 248885, 267891, 288498, 298662, 357188, 412140, 426660, 446485, 480830, 497770, 535782, 576996, 597324, 625079, 721245, 746655, 892970, 961660, 995540, 1071564, 1250158, 1339455, 1442490, 1493310, 1785940, 1875237, 2500316, 2678910, 2884980, 2986620, 3125395, 3750474, 3757343, 5357820, 6250790, 7500948, 7514686, 9376185, 11272029, 12501580, 15029372, 18752370, 18786715, 22544058, 26301401, 37504740, 37573430, 45088116, 48845459, 52602802, 56360145, 75146860, 78904203, 97690918, 105205604, 112720290, 131507005, 146536377, 157808406, 195381836, 225440580, 244227295, 263014010, 293072754, 315616812, 341918213, 394521015, 488454590, 526028020, 586145508, 683836426, 732681885, 789042030, 976909180, 1025754639, 1367672852, 1465363770, 1578084060, 1709591065, 2051509278, 2930727540, 3419182130, 4103018556, 5128773195, 6838364260, 10257546390, 20515092780]

約数ペア:

[(1, 20515092780), (2, 10257546390), (3, 6838364260), (4, 5128773195), (5, 4103018556), (6, 3419182130), (7, 2930727540), (10, 2051509278), (12, 1709591065), (13, 1578084060), (14, 1465363770), (15, 1367672852), (20, 1025754639), (21, 976909180), (26, 789042030), (28, 732681885), (30, 683836426), (35, 586145508), (39, 526028020), (42, 488454590), (52, 394521015), (60, 341918213), (65, 315616812), (70, 293072754), (78, 263014010), (84, 244227295), (91, 225440580), (105, 195381836), (130, 157808406), (140, 146536377), (156, 131507005), (182, 112720290), (195, 105205604), (210, 97690918), (260, 78904203), (273, 75146860), (364, 56360145), (390, 52602802), (420, 48845459), (455, 45088116), (546, 37573430), (547, 37504740), (780, 26301401), (910, 22544058), (1092, 18786715), (1094, 18752370), (1365, 15029372), (1641, 12501580), (1820, 11272029), (2188, 9376185), (2730, 7514686), (2735, 7500948), (3282, 6250790), (3829, 5357820), (5460, 3757343), (5470, 3750474), (6564, 3125395), (6869, 2986620), (7111, 2884980), (7658, 2678910), (8205, 2500316), (10940, 1875237), (11487, 1785940), (13738, 1493310), (14222, 1442490), (15316, 1339455), (16410, 1250158), (19145, 1071564), (20607, 995540), (21333, 961660), (22974, 892970), (27476, 746655), (28444, 721245), (32820, 625079), (34345, 597324), (35555, 576996), (38290, 535782), (41214, 497770), (42666, 480830), (45948, 446485), (48083, 426660), (49777, 412140), (57435, 357188), (68690, 298662), (71110, 288498), (76580, 267891), (82428, 248885), (85332, 240415), (89297, 229740), (96166, 213330), (99554, 206070), (103035, 199108), (106665, 192332), (114870, 178594), (137380, 149331), (142220, 144249)]