20597280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 52559328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 47, 48, 55, 60, 66, 80, 83, 88, 94, 96, 110, 120, 132, 141, 160, 165, 166, 176, 188, 220, 235, 240, 249, 264, 282, 330, 332, 352, 376, 415, 440, 470, 480, 498, 517, 528, 564, 660, 664, 705, 752, 830, 880, 913, 940, 996, 1034, 1056, 1128, 1245, 1320, 1328, 1410, 1504, 1551, 1660, 1760, 1826, 1880, 1992, 2068, 2256, 2490, 2585, 2640, 2656, 2739, 2820, 3102, 3320, 3652, 3760, 3901, 3984, 4136, 4512, 4565, 4980, 5170, 5280, 5478, 5640, 6204, 6640, 7304, 7520, 7755, 7802, 7968, 8272, 9130, 9960, 10340, 10956, 11280, 11703, 12408, 13280, 13695, 14608, 15510, 15604, 16544, 18260, 19505, 19920, 20680, 21912, 22560, 23406, 24816, 27390, 29216, 31020, 31208, 36520, 39010, 39840, 41360, 42911, 43824, 46812, 49632, 54780, 58515, 62040, 62416, 73040, 78020, 82720, 85822, 87648, 93624, 109560, 117030, 124080, 124832, 128733, 146080, 156040, 171644, 187248, 214555, 219120, 234060, 248160, 257466, 312080, 343288, 374496, 429110, 438240, 468120, 514932, 624160, 643665, 686576, 858220, 936240, 1029864, 1287330, 1373152, 1716440, 1872480, 2059728, 2574660, 3432880, 4119456, 5149320, 6865760, 10298640, 20597280]

約数ペア:

[(1, 20597280), (2, 10298640), (3, 6865760), (4, 5149320), (5, 4119456), (6, 3432880), (8, 2574660), (10, 2059728), (11, 1872480), (12, 1716440), (15, 1373152), (16, 1287330), (20, 1029864), (22, 936240), (24, 858220), (30, 686576), (32, 643665), (33, 624160), (40, 514932), (44, 468120), (47, 438240), (48, 429110), (55, 374496), (60, 343288), (66, 312080), (80, 257466), (83, 248160), (88, 234060), (94, 219120), (96, 214555), (110, 187248), (120, 171644), (132, 156040), (141, 146080), (160, 128733), (165, 124832), (166, 124080), (176, 117030), (188, 109560), (220, 93624), (235, 87648), (240, 85822), (249, 82720), (264, 78020), (282, 73040), (330, 62416), (332, 62040), (352, 58515), (376, 54780), (415, 49632), (440, 46812), (470, 43824), (480, 42911), (498, 41360), (517, 39840), (528, 39010), (564, 36520), (660, 31208), (664, 31020), (705, 29216), (752, 27390), (830, 24816), (880, 23406), (913, 22560), (940, 21912), (996, 20680), (1034, 19920), (1056, 19505), (1128, 18260), (1245, 16544), (1320, 15604), (1328, 15510), (1410, 14608), (1504, 13695), (1551, 13280), (1660, 12408), (1760, 11703), (1826, 11280), (1880, 10956), (1992, 10340), (2068, 9960), (2256, 9130), (2490, 8272), (2585, 7968), (2640, 7802), (2656, 7755), (2739, 7520), (2820, 7304), (3102, 6640), (3320, 6204), (3652, 5640), (3760, 5478), (3901, 5280), (3984, 5170), (4136, 4980), (4512, 4565)]