20396672520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{3187}}^1$

素因数の和:3628

約数の個数: 256

約数和(自身を含む): 73818777600

約数和(自身を除く): 53422105080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 401, 420, 456, 532, 570, 665, 760, 798, 802, 840, 1064, 1140, 1203, 1330, 1596, 1604, 1995, 2005, 2280, 2406, 2660, 2807, 3187, 3192, 3208, 3990, 4010, 4812, 5320, 5614, 6015, 6374, 7619, 7980, 8020, 8421, 9561, 9624, 11228, 12030, 12748, 14035, 15238, 15935, 15960, 16040, 16842, 19122, 22309, 22456, 22857, 24060, 25496, 28070, 30476, 31870, 33684, 38095, 38244, 42105, 44618, 45714, 47805, 48120, 53333, 56140, 60553, 60952, 63740, 66927, 67368, 76190, 76488, 84210, 89236, 91428, 95610, 106666, 111545, 112280, 114285, 121106, 127480, 133854, 152380, 159999, 168420, 178472, 181659, 182856, 191220, 213332, 223090, 228570, 242212, 266665, 267708, 302765, 304760, 319998, 334635, 336840, 363318, 382440, 423871, 426664, 446180, 457140, 484424, 533330, 535416, 605530, 639996, 669270, 726636, 799995, 847742, 892360, 908295, 914280, 1066660, 1211060, 1271613, 1277987, 1279992, 1338540, 1453272, 1599990, 1695484, 1816590, 2119355, 2133320, 2422120, 2543226, 2555974, 2677080, 3199980, 3390968, 3633180, 3833961, 4238710, 5086452, 5111948, 6358065, 6389935, 6399960, 7266360, 7667922, 8477420, 8945909, 10172904, 10223896, 12716130, 12779870, 15335844, 16954840, 17891818, 19169805, 24281753, 25432260, 25559740, 26837727, 30671688, 35783636, 38339610, 44729545, 48563506, 50864520, 51119480, 53675454, 71567272, 72845259, 76679220, 89459090, 97127012, 107350908, 121408765, 134188635, 145690518, 153358440, 169972271, 178918180, 194254024, 214701816, 242817530, 268377270, 291381036, 339944542, 357836360, 364226295, 485635060, 509916813, 536754540, 582762072, 679889084, 728452590, 849861355, 971270120, 1019833626, 1073509080, 1359778168, 1456905180, 1699722710, 2039667252, 2549584065, 2913810360, 3399445420, 4079334504, 5099168130, 6798890840, 10198336260, 20396672520]

約数ペア:

[(1, 20396672520), (2, 10198336260), (3, 6798890840), (4, 5099168130), (5, 4079334504), (6, 3399445420), (7, 2913810360), (8, 2549584065), (10, 2039667252), (12, 1699722710), (14, 1456905180), (15, 1359778168), (19, 1073509080), (20, 1019833626), (21, 971270120), (24, 849861355), (28, 728452590), (30, 679889084), (35, 582762072), (38, 536754540), (40, 509916813), (42, 485635060), (56, 364226295), (57, 357836360), (60, 339944542), (70, 291381036), (76, 268377270), (84, 242817530), (95, 214701816), (105, 194254024), (114, 178918180), (120, 169972271), (133, 153358440), (140, 145690518), (152, 134188635), (168, 121408765), (190, 107350908), (210, 97127012), (228, 89459090), (266, 76679220), (280, 72845259), (285, 71567272), (380, 53675454), (399, 51119480), (401, 50864520), (420, 48563506), (456, 44729545), (532, 38339610), (570, 35783636), (665, 30671688), (760, 26837727), (798, 25559740), (802, 25432260), (840, 24281753), (1064, 19169805), (1140, 17891818), (1203, 16954840), (1330, 15335844), (1596, 12779870), (1604, 12716130), (1995, 10223896), (2005, 10172904), (2280, 8945909), (2406, 8477420), (2660, 7667922), (2807, 7266360), (3187, 6399960), (3192, 6389935), (3208, 6358065), (3990, 5111948), (4010, 5086452), (4812, 4238710), (5320, 3833961), (5614, 3633180), (6015, 3390968), (6374, 3199980), (7619, 2677080), (7980, 2555974), (8020, 2543226), (8421, 2422120), (9561, 2133320), (9624, 2119355), (11228, 1816590), (12030, 1695484), (12748, 1599990), (14035, 1453272), (15238, 1338540), (15935, 1279992), (15960, 1277987), (16040, 1271613), (16842, 1211060), (19122, 1066660), (22309, 914280), (22456, 908295), (22857, 892360), (24060, 847742), (25496, 799995), (28070, 726636), (30476, 669270), (31870, 639996), (33684, 605530), (38095, 535416), (38244, 533330), (42105, 484424), (44618, 457140), (45714, 446180), (47805, 426664), (48120, 423871), (53333, 382440), (56140, 363318), (60553, 336840), (60952, 334635), (63740, 319998), (66927, 304760), (67368, 302765), (76190, 267708), (76488, 266665), (84210, 242212), (89236, 228570), (91428, 223090), (95610, 213332), (106666, 191220), (111545, 182856), (112280, 181659), (114285, 178472), (121106, 168420), (127480, 159999), (133854, 152380)]