20174703640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{10889}}^1$

素因数の和:11429

約数の個数: 128

約数和(自身を含む): 55983312000

約数和(自身を除く): 35808608360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 509, 520, 728, 910, 1018, 1820, 2036, 2545, 3563, 3640, 4072, 5090, 6617, 7126, 10180, 10889, 13234, 14252, 17815, 20360, 21778, 26468, 28504, 33085, 35630, 43556, 46319, 52936, 54445, 66170, 71260, 76223, 87112, 92638, 108890, 132340, 141557, 142520, 152446, 185276, 217780, 231595, 264680, 283114, 304892, 370552, 381115, 435560, 463190, 566228, 609784, 707785, 762230, 926380, 990899, 1132456, 1415570, 1524460, 1852760, 1981798, 2831140, 3048920, 3963596, 4954495, 5542501, 5662280, 7927192, 9908990, 11085002, 19817980, 22170004, 27712505, 38797507, 39635960, 44340008, 55425010, 72052513, 77595014, 110850020, 144105026, 155190028, 193987535, 221700040, 288210052, 310380056, 360262565, 387975070, 504367591, 576420104, 720525130, 775950140, 1008735182, 1441050260, 1551900280, 2017470364, 2521837955, 2882100520, 4034940728, 5043675910, 10087351820, 20174703640]

約数ペア:

[(1, 20174703640), (2, 10087351820), (4, 5043675910), (5, 4034940728), (7, 2882100520), (8, 2521837955), (10, 2017470364), (13, 1551900280), (14, 1441050260), (20, 1008735182), (26, 775950140), (28, 720525130), (35, 576420104), (40, 504367591), (52, 387975070), (56, 360262565), (65, 310380056), (70, 288210052), (91, 221700040), (104, 193987535), (130, 155190028), (140, 144105026), (182, 110850020), (260, 77595014), (280, 72052513), (364, 55425010), (455, 44340008), (509, 39635960), (520, 38797507), (728, 27712505), (910, 22170004), (1018, 19817980), (1820, 11085002), (2036, 9908990), (2545, 7927192), (3563, 5662280), (3640, 5542501), (4072, 4954495), (5090, 3963596), (6617, 3048920), (7126, 2831140), (10180, 1981798), (10889, 1852760), (13234, 1524460), (14252, 1415570), (17815, 1132456), (20360, 990899), (21778, 926380), (26468, 762230), (28504, 707785), (33085, 609784), (35630, 566228), (43556, 463190), (46319, 435560), (52936, 381115), (54445, 370552), (66170, 304892), (71260, 283114), (76223, 264680), (87112, 231595), (92638, 217780), (108890, 185276), (132340, 152446), (141557, 142520)]