20492755920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:940

約数の個数: 640

約数和(自身を含む): 87624391680

約数和(自身を除く): 67131635760

約数列:

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約数ペア:

[(1, 20492755920), (2, 10246377960), (3, 6830918640), (4, 5123188980), (5, 4098551184), (6, 3415459320), (7, 2927536560), (8, 2561594490), (9, 2276972880), (10, 2049275592), (12, 1707729660), (13, 1576365840), (14, 1463768280), (15, 1366183728), (16, 1280797245), (18, 1138486440), (20, 1024637796), (21, 975845520), (24, 853864830), (26, 788182920), (27, 758990960), (28, 731884140), (30, 683091864), (35, 585507312), (36, 569243220), (39, 525455280), (40, 512318898), (42, 487922760), (45, 455394576), (48, 426932415), (52, 394091460), (54, 379495480), (56, 365942070), (60, 341545932), (63, 325281840), (65, 315273168), (70, 292753656), (72, 284621610), (78, 262727640), (80, 256159449), (84, 243961380), (90, 227697288), (91, 225195120), (104, 197045730), (105, 195169104), (108, 189747740), (112, 182971035), (117, 175151760), (120, 170772966), (126, 162640920), (130, 157636584), (135, 151798192), (137, 149582160), (140, 146376828), (144, 142310805), (156, 131363820), (168, 121980690), (180, 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16264092), (1365, 15013008), (1370, 14958216), (1404, 14595980), (1456, 14074695), (1512, 13553410), (1522, 13464360), (1560, 13136382), (1638, 12510840), (1644, 12465180), (1680, 12198069), (1755, 11676784), (1781, 11506320), (1820, 11259756), (1872, 10946985), (1890, 10842728), (1918, 10684440), (2055, 9972144), (2160, 9487387), (2184, 9383130), (2192, 9348885), (2283, 8976240), (2340, 8757588), (2457, 8340560), (2466, 8310120), (2520, 8132046), (2730, 7506504), (2740, 7479108), (2808, 7297990), (2877, 7122960), (3024, 6776705), (3044, 6732180), (3120, 6568191), (3276, 6255420), (3288, 6232590), (3510, 5838392), (3562, 5753160), (3640, 5629878), (3699, 5540080), (3780, 5421364), (3805, 5385744), (3836, 5342220), (4095, 5004336), (4110, 4986072), (4368, 4691565), (4566, 4488120), (4680, 4378794), (4795, 4273776), (4914, 4170280), (4932, 4155060), (5040, 4066023), (5327, 3846960), (5343, 3835440), (5460, 3753252), (5480, 3739554), (5616, 3648995), (5754, 3561480), (6088, 3366090), (6165, 3324048), (6552, 3127710), (6576, 3116295), (6849, 2992080), (7020, 2919196), (7124, 2876580), (7280, 2814939), (7398, 2770040), (7560, 2710682), (7610, 2692872), (7672, 2671110), (8190, 2502168), (8220, 2493036), (8631, 2374320), (8905, 2301264), (9132, 2244060), (9360, 2189397), (9590, 2136888), (9828, 2085140), (9864, 2077530), (9893, 2071440), (10654, 1923480), (10686, 1917720), (10920, 1876626), (10960, 1869777), (11415, 1795248), (11508, 1780740), (12176, 1683045), (12285, 1668112), (12330, 1662024), (12467, 1643760), (13104, 1563855), (13698, 1496040), (14040, 1459598), (14248, 1438290), (14385, 1424592), (14796, 1385020), (15120, 1355341), (15220, 1346436), (15344, 1335555), (15981, 1282320), (16029, 1278480), (16380, 1251084), (16440, 1246518), (17262, 1187160), (17810, 1150632), (18264, 1122030), (18495, 1108016), (19180, 1068444), (19656, 1042570), (19728, 1038765), (19786, 1035720), (20547, 997360), (21308, 961740), (21372, 958860), (21840, 938313), (22830, 897624), (23016, 890370), (24570, 834056), (24660, 831012), (24934, 821880), (25893, 791440), (26635, 769392), (26715, 767088), (27396, 748020), (28080, 729799), (28496, 719145), (28770, 712296), (29592, 692510), (29679, 690480), (30440, 673218), (31962, 641160), (32058, 639240), (32760, 625542), (32880, 623259), (34245, 598416), (34524, 593580), (35620, 575316), (36528, 561015), (36990, 554008), (37401, 547920), (38360, 534222), (39312, 521285), (39572, 517860), (41094, 498680), (42616, 480870), (42744, 479430), (43155, 474864), (45660, 448812), (46032, 445185), (47943, 427440), (48087, 426160), (49140, 417028), (49320, 415506), (49465, 414288), (49868, 410940), (51786, 395720), (53270, 384696), (53430, 383544), (54792, 374010), (57540, 356148), (59184, 346255), (59358, 345240), (60880, 336609), (62335, 328752), (63924, 320580), (64116, 319620), (65520, 312771), (68490, 299208), (69048, 296790), (69251, 295920), (71240, 287658), (73980, 277004), (74802, 273960), (76720, 267111), (79144, 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