20193916680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{140587}}^1$

素因数の和:140633

約数の個数: 256

約数和(自身を含む): 80978688000

約数和(自身を除く): 60784771320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11970, 14364, 15960, 17955, 20520, 23940, 28728, 35910, 47880, 71820, 140587, 143640, 281174, 421761, 562348, 702935, 843522, 984109, 1124696, 1265283, 1405870, 1687044, 1968218, 2108805, 2530566, 2671153, 2811740, 2952327, 3374088, 3795849, 3936436, 4217610, 4920545, 5061132, 5342306, 5623480, 5904654, 6326415, 7591698, 7872872, 8013459, 8435220, 8856981, 9841090, 10122264, 10684612, 11809308, 12652830, 13355765, 14761635, 15183396, 16026918, 16870440, 17713962, 18698071, 18979245, 19682180, 21369224, 23618616, 24040377, 25305660, 26570943, 26711530, 29523270, 30366792, 32053836, 35427924, 37396142, 37958490, 39364360, 40067295, 44284905, 48080754, 50611320, 53141886, 53423060, 56094213, 59046540, 64107672, 70855848, 72121131, 74792284, 75916980, 80134590, 88569810, 93490355, 96161508, 106283772, 106846120, 112188426, 118093080, 120201885, 132854715, 144242262, 149584568, 151833960, 160269180, 168282639, 177139620, 186980710, 192323016, 212567544, 224376852, 240403770, 265709430, 280471065, 288484524, 320538360, 336565278, 354279240, 360605655, 373961420, 448753704, 480807540, 504847917, 531418860, 560942130, 576969048, 673130556, 721211310, 747922840, 841413195, 961615080, 1009695834, 1062837720, 1121884260, 1346261112, 1442422620, 1682826390, 2019391668, 2243768520, 2524239585, 2884845240, 3365652780, 4038783336, 5048479170, 6731305560, 10096958340, 20193916680]

約数ペア:

[(1, 20193916680), (2, 10096958340), (3, 6731305560), (4, 5048479170), (5, 4038783336), (6, 3365652780), (7, 2884845240), (8, 2524239585), (9, 2243768520), (10, 2019391668), (12, 1682826390), (14, 1442422620), (15, 1346261112), (18, 1121884260), (19, 1062837720), (20, 1009695834), (21, 961615080), (24, 841413195), (27, 747922840), (28, 721211310), (30, 673130556), (35, 576969048), (36, 560942130), (38, 531418860), (40, 504847917), (42, 480807540), (45, 448753704), (54, 373961420), (56, 360605655), (57, 354279240), (60, 336565278), (63, 320538360), (70, 288484524), (72, 280471065), (76, 265709430), (84, 240403770), (90, 224376852), (95, 212567544), (105, 192323016), (108, 186980710), (114, 177139620), (120, 168282639), (126, 160269180), (133, 151833960), (135, 149584568), (140, 144242262), (152, 132854715), (168, 120201885), (171, 118093080), (180, 112188426), (189, 106846120), (190, 106283772), (210, 96161508), (216, 93490355), (228, 88569810), (252, 80134590), (266, 75916980), (270, 74792284), (280, 72121131), (285, 70855848), (315, 64107672), (342, 59046540), (360, 56094213), (378, 53423060), (380, 53141886), (399, 50611320), (420, 48080754), (456, 44284905), (504, 40067295), (513, 39364360), (532, 37958490), (540, 37396142), (570, 35427924), (630, 32053836), (665, 30366792), (684, 29523270), (756, 26711530), (760, 26570943), (798, 25305660), (840, 24040377), (855, 23618616), (945, 21369224), (1026, 19682180), (1064, 18979245), (1080, 18698071), (1140, 17713962), (1197, 16870440), (1260, 16026918), (1330, 15183396), (1368, 14761635), (1512, 13355765), (1596, 12652830), (1710, 11809308), (1890, 10684612), (1995, 10122264), (2052, 9841090), (2280, 8856981), (2394, 8435220), (2520, 8013459), (2565, 7872872), (2660, 7591698), (3192, 6326415), (3420, 5904654), (3591, 5623480), (3780, 5342306), (3990, 5061132), (4104, 4920545), (4788, 4217610), (5130, 3936436), (5320, 3795849), (5985, 3374088), (6840, 2952327), (7182, 2811740), (7560, 2671153), (7980, 2530566), (9576, 2108805), (10260, 1968218), (11970, 1687044), (14364, 1405870), (15960, 1265283), (17955, 1124696), (20520, 984109), (23940, 843522), (28728, 702935), (35910, 562348), (47880, 421761), (71820, 281174), (140587, 143640)]