20787029200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{709}}^1$

素因数の和:1054

約数の個数: 240

約数和(自身を含む): 58907916160

約数和(自身を除く): 38120886960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 140, 148, 175, 185, 200, 259, 280, 283, 296, 350, 370, 400, 518, 560, 566, 592, 700, 709, 740, 925, 1036, 1132, 1295, 1400, 1415, 1418, 1480, 1850, 1981, 2072, 2264, 2590, 2800, 2830, 2836, 2960, 3545, 3700, 3962, 4144, 4528, 4963, 5180, 5660, 5672, 6475, 7075, 7090, 7400, 7924, 9905, 9926, 10360, 10471, 11320, 11344, 12950, 14150, 14180, 14800, 15848, 17725, 19810, 19852, 20720, 20942, 22640, 24815, 25900, 26233, 28300, 28360, 31696, 35450, 39620, 39704, 41884, 49525, 49630, 51800, 52355, 52466, 56600, 56720, 70900, 73297, 79240, 79408, 83768, 99050, 99260, 103600, 104710, 104932, 113200, 124075, 131165, 141800, 146594, 158480, 167536, 183631, 198100, 198520, 200647, 209420, 209864, 248150, 261775, 262330, 283600, 293188, 366485, 367262, 396200, 397040, 401294, 418840, 419728, 496300, 523550, 524660, 586376, 655825, 732970, 734524, 792400, 802588, 837680, 918155, 992600, 1003235, 1047100, 1049320, 1172752, 1311650, 1404529, 1465940, 1469048, 1605176, 1832425, 1836310, 1985200, 2006470, 2094200, 2098640, 2623300, 2809058, 2931880, 2938096, 3210352, 3664850, 3672620, 4012940, 4188400, 4590775, 5016175, 5246600, 5618116, 5863760, 7022645, 7329700, 7345240, 7423939, 8025880, 9181550, 10032350, 10493200, 11236232, 14045290, 14659400, 14690480, 14847878, 16051760, 18363100, 20064700, 22472464, 28090580, 29318800, 29695756, 35113225, 36726200, 37119695, 40129400, 51967573, 56181160, 59391512, 70226450, 73452400, 74239390, 80258800, 103935146, 112362320, 118783024, 140452900, 148478780, 185598475, 207870292, 259837865, 280905800, 296957560, 371196950, 415740584, 519675730, 561811600, 593915120, 742393900, 831481168, 1039351460, 1299189325, 1484787800, 2078702920, 2598378650, 2969575600, 4157405840, 5196757300, 10393514600, 20787029200]

約数ペア:

[(1, 20787029200), (2, 10393514600), (4, 5196757300), (5, 4157405840), (7, 2969575600), (8, 2598378650), (10, 2078702920), (14, 1484787800), (16, 1299189325), (20, 1039351460), (25, 831481168), (28, 742393900), (35, 593915120), (37, 561811600), (40, 519675730), (50, 415740584), (56, 371196950), (70, 296957560), (74, 280905800), (80, 259837865), (100, 207870292), (112, 185598475), (140, 148478780), (148, 140452900), (175, 118783024), (185, 112362320), (200, 103935146), (259, 80258800), (280, 74239390), (283, 73452400), (296, 70226450), (350, 59391512), (370, 56181160), (400, 51967573), (518, 40129400), (560, 37119695), (566, 36726200), (592, 35113225), (700, 29695756), (709, 29318800), (740, 28090580), (925, 22472464), (1036, 20064700), (1132, 18363100), (1295, 16051760), (1400, 14847878), (1415, 14690480), (1418, 14659400), (1480, 14045290), (1850, 11236232), (1981, 10493200), (2072, 10032350), (2264, 9181550), (2590, 8025880), (2800, 7423939), (2830, 7345240), (2836, 7329700), (2960, 7022645), (3545, 5863760), (3700, 5618116), (3962, 5246600), (4144, 5016175), (4528, 4590775), (4963, 4188400), (5180, 4012940), (5660, 3672620), (5672, 3664850), (6475, 3210352), (7075, 2938096), (7090, 2931880), (7400, 2809058), (7924, 2623300), (9905, 2098640), (9926, 2094200), (10360, 2006470), (10471, 1985200), (11320, 1836310), (11344, 1832425), (12950, 1605176), (14150, 1469048), (14180, 1465940), (14800, 1404529), (15848, 1311650), (17725, 1172752), (19810, 1049320), (19852, 1047100), (20720, 1003235), (20942, 992600), (22640, 918155), (24815, 837680), (25900, 802588), (26233, 792400), (28300, 734524), (28360, 732970), (31696, 655825), (35450, 586376), (39620, 524660), (39704, 523550), (41884, 496300), (49525, 419728), (49630, 418840), (51800, 401294), (52355, 397040), (52466, 396200), (56600, 367262), (56720, 366485), (70900, 293188), (73297, 283600), (79240, 262330), (79408, 261775), (83768, 248150), (99050, 209864), (99260, 209420), (103600, 200647), (104710, 198520), (104932, 198100), (113200, 183631), (124075, 167536), (131165, 158480), (141800, 146594)]