20120369080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{23537}}^1$

素因数の和:23669

約数の個数: 128

約数和(自身を含む): 53689236480

約数和(自身を除く): 33568867400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 140, 142, 172, 215, 280, 284, 301, 344, 355, 430, 497, 568, 602, 710, 860, 994, 1204, 1420, 1505, 1720, 1988, 2408, 2485, 2840, 3010, 3053, 3976, 4970, 6020, 6106, 9940, 12040, 12212, 15265, 19880, 21371, 23537, 24424, 30530, 42742, 47074, 61060, 85484, 94148, 106855, 117685, 122120, 164759, 170968, 188296, 213710, 235370, 329518, 427420, 470740, 659036, 823795, 854840, 941480, 1012091, 1318072, 1647590, 1671127, 2024182, 3295180, 3342254, 4048364, 5060455, 6590360, 6684508, 7084637, 8096728, 8355635, 10120910, 11697889, 13369016, 14169274, 16711270, 20241820, 23395778, 28338548, 33422540, 35423185, 40483640, 46791556, 56677096, 58489445, 66845080, 70846370, 71858461, 93583112, 116978890, 141692740, 143716922, 233957780, 283385480, 287433844, 359292305, 467915560, 503009227, 574867688, 718584610, 1006018454, 1437169220, 2012036908, 2515046135, 2874338440, 4024073816, 5030092270, 10060184540, 20120369080]

約数ペア:

[(1, 20120369080), (2, 10060184540), (4, 5030092270), (5, 4024073816), (7, 2874338440), (8, 2515046135), (10, 2012036908), (14, 1437169220), (20, 1006018454), (28, 718584610), (35, 574867688), (40, 503009227), (43, 467915560), (56, 359292305), (70, 287433844), (71, 283385480), (86, 233957780), (140, 143716922), (142, 141692740), (172, 116978890), (215, 93583112), (280, 71858461), (284, 70846370), (301, 66845080), (344, 58489445), (355, 56677096), (430, 46791556), (497, 40483640), (568, 35423185), (602, 33422540), (710, 28338548), (860, 23395778), (994, 20241820), (1204, 16711270), (1420, 14169274), (1505, 13369016), (1720, 11697889), (1988, 10120910), (2408, 8355635), (2485, 8096728), (2840, 7084637), (3010, 6684508), (3053, 6590360), (3976, 5060455), (4970, 4048364), (6020, 3342254), (6106, 3295180), (9940, 2024182), (12040, 1671127), (12212, 1647590), (15265, 1318072), (19880, 1012091), (21371, 941480), (23537, 854840), (24424, 823795), (30530, 659036), (42742, 470740), (47074, 427420), (61060, 329518), (85484, 235370), (94148, 213710), (106855, 188296), (117685, 170968), (122120, 164759)]