20837721960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{2711}}^1$

素因数の和:3389

約数の個数: 256

約数和(自身を含む): 75918643200

約数和(自身を除く): 55080921240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 647, 660, 792, 990, 1080, 1188, 1294, 1320, 1485, 1941, 1980, 2376, 2588, 2711, 2970, 3235, 3882, 3960, 5176, 5422, 5823, 5940, 6470, 7117, 7764, 8133, 9705, 10844, 11646, 11880, 12940, 13555, 14234, 15528, 16266, 17469, 19410, 21351, 21688, 23292, 24399, 25880, 27110, 28468, 29115, 29821, 32532, 34938, 35585, 38820, 40665, 42702, 46584, 48798, 54220, 56936, 58230, 59642, 64053, 65064, 69876, 71170, 73197, 77640, 81330, 85404, 87345, 89463, 97596, 106755, 108440, 116460, 119284, 121995, 128106, 139752, 142340, 146394, 149105, 162660, 170808, 174690, 178926, 192159, 195192, 213510, 232920, 238568, 243990, 256212, 268389, 284680, 292788, 298210, 320265, 325320, 349380, 357852, 365985, 384318, 427020, 447315, 487980, 512424, 536778, 585576, 596420, 640530, 698760, 715704, 731970, 768636, 805167, 854040, 894630, 960795, 975960, 1073556, 1192840, 1281060, 1341945, 1463940, 1537272, 1610334, 1754017, 1789260, 1921590, 2147112, 2562120, 2683890, 2927880, 3220668, 3508034, 3578520, 3843180, 4025835, 5262051, 5367780, 6441336, 7016068, 7686360, 8051670, 8770085, 10524102, 10735560, 14032136, 15786153, 16103340, 17540170, 19294187, 21048204, 26310255, 31572306, 32206680, 35080340, 38588374, 42096408, 47358459, 52620510, 57882561, 63144612, 70160680, 77176748, 78930765, 94716918, 96470935, 105241020, 115765122, 126289224, 154353496, 157861530, 173647683, 189433836, 192941870, 210482040, 231530244, 236792295, 289412805, 315723060, 347295366, 378867672, 385883740, 463060488, 473584590, 520943049, 578825610, 631446120, 694590732, 771767480, 868238415, 947169180, 1041886098, 1157651220, 1389181464, 1736476830, 1894338360, 2083772196, 2315302440, 2604715245, 3472953660, 4167544392, 5209430490, 6945907320, 10418860980, 20837721960]

約数ペア:

[(1, 20837721960), (2, 10418860980), (3, 6945907320), (4, 5209430490), (5, 4167544392), (6, 3472953660), (8, 2604715245), (9, 2315302440), (10, 2083772196), (11, 1894338360), (12, 1736476830), (15, 1389181464), (18, 1157651220), (20, 1041886098), (22, 947169180), (24, 868238415), (27, 771767480), (30, 694590732), (33, 631446120), (36, 578825610), (40, 520943049), (44, 473584590), (45, 463060488), (54, 385883740), (55, 378867672), (60, 347295366), (66, 315723060), (72, 289412805), (88, 236792295), (90, 231530244), (99, 210482040), (108, 192941870), (110, 189433836), (120, 173647683), (132, 157861530), (135, 154353496), (165, 126289224), (180, 115765122), (198, 105241020), (216, 96470935), (220, 94716918), (264, 78930765), (270, 77176748), (297, 70160680), (330, 63144612), (360, 57882561), (396, 52620510), (440, 47358459), (495, 42096408), (540, 38588374), (594, 35080340), (647, 32206680), (660, 31572306), (792, 26310255), (990, 21048204), (1080, 19294187), (1188, 17540170), (1294, 16103340), (1320, 15786153), (1485, 14032136), (1941, 10735560), (1980, 10524102), (2376, 8770085), (2588, 8051670), (2711, 7686360), (2970, 7016068), (3235, 6441336), (3882, 5367780), (3960, 5262051), (5176, 4025835), (5422, 3843180), (5823, 3578520), (5940, 3508034), (6470, 3220668), (7117, 2927880), (7764, 2683890), (8133, 2562120), (9705, 2147112), (10844, 1921590), (11646, 1789260), (11880, 1754017), (12940, 1610334), (13555, 1537272), (14234, 1463940), (15528, 1341945), (16266, 1281060), (17469, 1192840), (19410, 1073556), (21351, 975960), (21688, 960795), (23292, 894630), (24399, 854040), (25880, 805167), (27110, 768636), (28468, 731970), (29115, 715704), (29821, 698760), (32532, 640530), (34938, 596420), (35585, 585576), (38820, 536778), (40665, 512424), (42702, 487980), (46584, 447315), (48798, 427020), (54220, 384318), (56936, 365985), (58230, 357852), (59642, 349380), (64053, 325320), (65064, 320265), (69876, 298210), (71170, 292788), (73197, 284680), (77640, 268389), (81330, 256212), (85404, 243990), (87345, 238568), (89463, 232920), (97596, 213510), (106755, 195192), (108440, 192159), (116460, 178926), (119284, 174690), (121995, 170808), (128106, 162660), (139752, 149105), (142340, 146394)]