20898173660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2633}}^1$

素因数の和:2765

約数の個数: 192

約数和(自身を含む): 55756512000

約数和(自身を除く): 34858338340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 89, 91, 98, 130, 140, 178, 182, 196, 245, 260, 343, 356, 364, 445, 455, 490, 623, 637, 686, 890, 910, 980, 1157, 1246, 1274, 1372, 1715, 1780, 1820, 2314, 2492, 2548, 2633, 3115, 3185, 3430, 4361, 4459, 4628, 5266, 5785, 6230, 6370, 6860, 8099, 8722, 8918, 10532, 11570, 12460, 12740, 13165, 16198, 17444, 17836, 18431, 21805, 22295, 23140, 26330, 30527, 32396, 34229, 36862, 40495, 43610, 44590, 52660, 56693, 61054, 68458, 73724, 80990, 87220, 89180, 92155, 113386, 122108, 129017, 136916, 152635, 161980, 171145, 184310, 226772, 234337, 239603, 258034, 283465, 305270, 342290, 368620, 396851, 468674, 479206, 516068, 566930, 610540, 645085, 684580, 793702, 903119, 937348, 958412, 1133860, 1171685, 1198015, 1290170, 1587404, 1640359, 1677221, 1806238, 1984255, 2343370, 2396030, 2580340, 3046381, 3280718, 3354442, 3612476, 3968510, 4515595, 4686740, 4792060, 6092762, 6561436, 6708884, 7937020, 8201795, 8386105, 9031190, 11482513, 11740547, 12185524, 15231905, 16403590, 16772210, 18062380, 21324667, 22965026, 23481094, 30463810, 32807180, 33544420, 42649334, 45930052, 46962188, 57412565, 58702735, 60927620, 80377591, 85298668, 106623335, 114825130, 117405470, 149272669, 160755182, 213246670, 229650260, 234810940, 298545338, 321510364, 401887955, 426493340, 597090676, 746363345, 803775910, 1044908683, 1492726690, 1607551820, 2089817366, 2985453380, 4179634732, 5224543415, 10449086830, 20898173660]

約数ペア:

[(1, 20898173660), (2, 10449086830), (4, 5224543415), (5, 4179634732), (7, 2985453380), (10, 2089817366), (13, 1607551820), (14, 1492726690), (20, 1044908683), (26, 803775910), (28, 746363345), (35, 597090676), (49, 426493340), (52, 401887955), (65, 321510364), (70, 298545338), (89, 234810940), (91, 229650260), (98, 213246670), (130, 160755182), (140, 149272669), (178, 117405470), (182, 114825130), (196, 106623335), (245, 85298668), (260, 80377591), (343, 60927620), (356, 58702735), (364, 57412565), (445, 46962188), (455, 45930052), (490, 42649334), (623, 33544420), (637, 32807180), (686, 30463810), (890, 23481094), (910, 22965026), (980, 21324667), (1157, 18062380), (1246, 16772210), (1274, 16403590), (1372, 15231905), (1715, 12185524), (1780, 11740547), (1820, 11482513), (2314, 9031190), (2492, 8386105), (2548, 8201795), (2633, 7937020), (3115, 6708884), (3185, 6561436), (3430, 6092762), (4361, 4792060), (4459, 4686740), (4628, 4515595), (5266, 3968510), (5785, 3612476), (6230, 3354442), (6370, 3280718), (6860, 3046381), (8099, 2580340), (8722, 2396030), (8918, 2343370), (10532, 1984255), (11570, 1806238), (12460, 1677221), (12740, 1640359), (13165, 1587404), (16198, 1290170), (17444, 1198015), (17836, 1171685), (18431, 1133860), (21805, 958412), (22295, 937348), (23140, 903119), (26330, 793702), (30527, 684580), (32396, 645085), (34229, 610540), (36862, 566930), (40495, 516068), (43610, 479206), (44590, 468674), (52660, 396851), (56693, 368620), (61054, 342290), (68458, 305270), (73724, 283465), (80990, 258034), (87220, 239603), (89180, 234337), (92155, 226772), (113386, 184310), (122108, 171145), (129017, 161980), (136916, 152635)]