20512120680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{7817}}^1$

素因数の和:8068

約数の個数: 192

約数和(自身を含む): 68822479440

約数和(自身を除く): 48310358760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 197, 222, 296, 333, 360, 370, 394, 444, 555, 591, 666, 740, 788, 888, 985, 1110, 1182, 1332, 1480, 1576, 1665, 1773, 1970, 2220, 2364, 2664, 2955, 3330, 3546, 3940, 4440, 4728, 5910, 6660, 7092, 7289, 7817, 7880, 8865, 11820, 13320, 14184, 14578, 15634, 17730, 21867, 23451, 23640, 29156, 31268, 35460, 36445, 39085, 43734, 46902, 58312, 62536, 65601, 70353, 70920, 72890, 78170, 87468, 93804, 109335, 117255, 131202, 140706, 145780, 156340, 174936, 187608, 218670, 234510, 262404, 281412, 289229, 291560, 312680, 328005, 351765, 437340, 469020, 524808, 562824, 578458, 656010, 703530, 867687, 874680, 938040, 1156916, 1312020, 1407060, 1446145, 1539949, 1735374, 2313832, 2603061, 2624040, 2814120, 2892290, 3079898, 3470748, 4338435, 4619847, 5206122, 5784580, 6159796, 6941496, 7699745, 8676870, 9239694, 10412244, 11569160, 12319592, 13015305, 13859541, 15399490, 17353740, 18479388, 20824488, 23099235, 26030610, 27719082, 30798980, 34707480, 36958776, 46198470, 52061220, 55438164, 56978113, 61597960, 69297705, 92396940, 104122440, 110876328, 113956226, 138595410, 170934339, 184793880, 227912452, 277190820, 284890565, 341868678, 455824904, 512803017, 554381640, 569781130, 683737356, 854671695, 1025606034, 1139562260, 1367474712, 1709343390, 2051212068, 2279124520, 2564015085, 3418686780, 4102424136, 5128030170, 6837373560, 10256060340, 20512120680]

約数ペア:

[(1, 20512120680), (2, 10256060340), (3, 6837373560), (4, 5128030170), (5, 4102424136), (6, 3418686780), (8, 2564015085), (9, 2279124520), (10, 2051212068), (12, 1709343390), (15, 1367474712), (18, 1139562260), (20, 1025606034), (24, 854671695), (30, 683737356), (36, 569781130), (37, 554381640), (40, 512803017), (45, 455824904), (60, 341868678), (72, 284890565), (74, 277190820), (90, 227912452), (111, 184793880), (120, 170934339), (148, 138595410), (180, 113956226), (185, 110876328), (197, 104122440), (222, 92396940), (296, 69297705), (333, 61597960), (360, 56978113), (370, 55438164), (394, 52061220), (444, 46198470), (555, 36958776), (591, 34707480), (666, 30798980), (740, 27719082), (788, 26030610), (888, 23099235), (985, 20824488), (1110, 18479388), (1182, 17353740), (1332, 15399490), (1480, 13859541), (1576, 13015305), (1665, 12319592), (1773, 11569160), (1970, 10412244), (2220, 9239694), (2364, 8676870), (2664, 7699745), (2955, 6941496), (3330, 6159796), (3546, 5784580), (3940, 5206122), (4440, 4619847), (4728, 4338435), (5910, 3470748), (6660, 3079898), (7092, 2892290), (7289, 2814120), (7817, 2624040), (7880, 2603061), (8865, 2313832), (11820, 1735374), (13320, 1539949), (14184, 1446145), (14578, 1407060), (15634, 1312020), (17730, 1156916), (21867, 938040), (23451, 874680), (23640, 867687), (29156, 703530), (31268, 656010), (35460, 578458), (36445, 562824), (39085, 524808), (43734, 469020), (46902, 437340), (58312, 351765), (62536, 328005), (65601, 312680), (70353, 291560), (70920, 289229), (72890, 281412), (78170, 262404), (87468, 234510), (93804, 218670), (109335, 187608), (117255, 174936), (131202, 156340), (140706, 145780)]