20029320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 50732280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 59, 60, 69, 72, 82, 90, 92, 115, 118, 120, 123, 138, 164, 177, 180, 184, 205, 207, 230, 236, 246, 276, 295, 328, 345, 354, 360, 369, 410, 414, 460, 472, 492, 531, 552, 590, 615, 690, 708, 738, 820, 828, 885, 920, 943, 984, 1035, 1062, 1180, 1230, 1357, 1380, 1416, 1476, 1640, 1656, 1770, 1845, 1886, 2070, 2124, 2360, 2419, 2460, 2655, 2714, 2760, 2829, 2952, 3540, 3690, 3772, 4071, 4140, 4248, 4715, 4838, 4920, 5310, 5428, 5658, 6785, 7080, 7257, 7380, 7544, 8142, 8280, 8487, 9430, 9676, 10620, 10856, 11316, 12095, 12213, 13570, 14145, 14514, 14760, 16284, 16974, 18860, 19352, 20355, 21240, 21771, 22632, 24190, 24426, 27140, 28290, 29028, 32568, 33948, 36285, 37720, 40710, 42435, 43542, 48380, 48852, 54280, 55637, 56580, 58056, 61065, 67896, 72570, 81420, 84870, 87084, 96760, 97704, 108855, 111274, 113160, 122130, 145140, 162840, 166911, 169740, 174168, 217710, 222548, 244260, 278185, 290280, 333822, 339480, 435420, 445096, 488520, 500733, 556370, 667644, 834555, 870840, 1001466, 1112740, 1335288, 1669110, 2002932, 2225480, 2503665, 3338220, 4005864, 5007330, 6676440, 10014660, 20029320]

約数ペア:

[(1, 20029320), (2, 10014660), (3, 6676440), (4, 5007330), (5, 4005864), (6, 3338220), (8, 2503665), (9, 2225480), (10, 2002932), (12, 1669110), (15, 1335288), (18, 1112740), (20, 1001466), (23, 870840), (24, 834555), (30, 667644), (36, 556370), (40, 500733), (41, 488520), (45, 445096), (46, 435420), (59, 339480), (60, 333822), (69, 290280), (72, 278185), (82, 244260), (90, 222548), (92, 217710), (115, 174168), (118, 169740), (120, 166911), (123, 162840), (138, 145140), (164, 122130), (177, 113160), (180, 111274), (184, 108855), (205, 97704), (207, 96760), (230, 87084), (236, 84870), (246, 81420), (276, 72570), (295, 67896), (328, 61065), (345, 58056), (354, 56580), (360, 55637), (369, 54280), (410, 48852), (414, 48380), (460, 43542), (472, 42435), (492, 40710), (531, 37720), (552, 36285), (590, 33948), (615, 32568), (690, 29028), (708, 28290), (738, 27140), (820, 24426), (828, 24190), (885, 22632), (920, 21771), (943, 21240), (984, 20355), (1035, 19352), (1062, 18860), (1180, 16974), (1230, 16284), (1357, 14760), (1380, 14514), (1416, 14145), (1476, 13570), (1640, 12213), (1656, 12095), (1770, 11316), (1845, 10856), (1886, 10620), (2070, 9676), (2124, 9430), (2360, 8487), (2419, 8280), (2460, 8142), (2655, 7544), (2714, 7380), (2760, 7257), (2829, 7080), (2952, 6785), (3540, 5658), (3690, 5428), (3772, 5310), (4071, 4920), (4140, 4838), (4248, 4715)]