20654555040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{683021}}^1$

素因数の和:683052

約数の個数: 192

約数和(自身を含む): 82618341120

約数和(自身を除く): 61963786080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 683021, 1366042, 2049063, 2732084, 3415105, 4098126, 4781147, 5464168, 6147189, 6830210, 8196252, 9562294, 10245315, 10928336, 12294378, 13660420, 14343441, 16392504, 18441567, 19124588, 20490630, 21856672, 23905735, 24588756, 27320840, 28686882, 30735945, 32785008, 36883134, 38249176, 40981260, 43030323, 47811470, 49177512, 54641680, 57373764, 61471890, 65570016, 71717205, 73766268, 76498352, 81962520, 86060646, 92207835, 95622940, 98355024, 109283360, 114747528, 122943780, 129090969, 143434410, 147532536, 152996704, 163925040, 172121292, 184415670, 191245880, 196710048, 215151615, 229495056, 245887560, 258181938, 286868820, 295065072, 327850080, 344242584, 368831340, 382491760, 430303230, 458990112, 491775120, 516363876, 573737640, 590130144, 645454845, 688485168, 737662680, 764983520, 860606460, 983550240, 1032727752, 1147475280, 1290909690, 1376970336, 1475325360, 1721212920, 2065455504, 2294950560, 2581819380, 2950650720, 3442425840, 4130911008, 5163638760, 6884851680, 10327277520, 20654555040]

約数ペア:

[(1, 20654555040), (2, 10327277520), (3, 6884851680), (4, 5163638760), (5, 4130911008), (6, 3442425840), (7, 2950650720), (8, 2581819380), (9, 2294950560), (10, 2065455504), (12, 1721212920), (14, 1475325360), (15, 1376970336), (16, 1290909690), (18, 1147475280), (20, 1032727752), (21, 983550240), (24, 860606460), (27, 764983520), (28, 737662680), (30, 688485168), (32, 645454845), (35, 590130144), (36, 573737640), (40, 516363876), (42, 491775120), (45, 458990112), (48, 430303230), (54, 382491760), (56, 368831340), (60, 344242584), (63, 327850080), (70, 295065072), (72, 286868820), (80, 258181938), (84, 245887560), (90, 229495056), (96, 215151615), (105, 196710048), (108, 191245880), (112, 184415670), (120, 172121292), (126, 163925040), (135, 152996704), (140, 147532536), (144, 143434410), (160, 129090969), (168, 122943780), (180, 114747528), (189, 109283360), (210, 98355024), (216, 95622940), (224, 92207835), (240, 86060646), (252, 81962520), (270, 76498352), (280, 73766268), (288, 71717205), (315, 65570016), (336, 61471890), (360, 57373764), (378, 54641680), (420, 49177512), (432, 47811470), (480, 43030323), (504, 40981260), (540, 38249176), (560, 36883134), (630, 32785008), (672, 30735945), (720, 28686882), (756, 27320840), (840, 24588756), (864, 23905735), (945, 21856672), (1008, 20490630), (1080, 19124588), (1120, 18441567), (1260, 16392504), (1440, 14343441), (1512, 13660420), (1680, 12294378), (1890, 10928336), (2016, 10245315), (2160, 9562294), (2520, 8196252), (3024, 6830210), (3360, 6147189), (3780, 5464168), (4320, 4781147), (5040, 4098126), (6048, 3415105), (7560, 2732084), (10080, 2049063), (15120, 1366042), (30240, 683021)]