20219819760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211151}}^1$

素因数の和:211196

約数の個数: 240

約数和(自身を含む): 81690485760

約数和(自身を除く): 61470666000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 9576, 10640, 11970, 13680, 15960, 19152, 23940, 31920, 47880, 95760, 211151, 422302, 633453, 844604, 1055755, 1266906, 1478057, 1689208, 1900359, 2111510, 2533812, 2956114, 3167265, 3378416, 3800718, 4011869, 4223020, 4434171, 5067624, 5912228, 6334530, 7390285, 7601436, 8023738, 8446040, 8868342, 9501795, 10135248, 11824456, 12035607, 12669060, 13302513, 14780570, 15202872, 16047476, 16892080, 17736684, 19003590, 20059345, 22170855, 23648912, 24071214, 25338120, 26605026, 28083083, 29561140, 30405744, 32094952, 35473368, 36106821, 38007180, 40118690, 44341710, 48142428, 50676240, 53210052, 56166166, 59122280, 60178035, 64189904, 66512565, 70946736, 72213642, 76014360, 80237380, 84249249, 88683420, 96284856, 106420104, 112332332, 118244560, 120356070, 133025130, 140415415, 144427284, 152028720, 160474760, 168498498, 177366840, 180534105, 192569712, 212840208, 224664664, 240712140, 252747747, 266050260, 280830830, 288854568, 320949520, 336996996, 354733680, 361068210, 421246245, 449329328, 481424280, 505495494, 532100520, 561661660, 577709136, 673993992, 722136420, 842492490, 962848560, 1010990988, 1064201040, 1123323320, 1263738735, 1347987984, 1444272840, 1684984980, 2021981976, 2246646640, 2527477470, 2888545680, 3369969960, 4043963952, 5054954940, 6739939920, 10109909880, 20219819760]

約数ペア:

[(1, 20219819760), (2, 10109909880), (3, 6739939920), (4, 5054954940), (5, 4043963952), (6, 3369969960), (7, 2888545680), (8, 2527477470), (9, 2246646640), (10, 2021981976), (12, 1684984980), (14, 1444272840), (15, 1347987984), (16, 1263738735), (18, 1123323320), (19, 1064201040), (20, 1010990988), (21, 962848560), (24, 842492490), (28, 722136420), (30, 673993992), (35, 577709136), (36, 561661660), (38, 532100520), (40, 505495494), (42, 481424280), (45, 449329328), (48, 421246245), (56, 361068210), (57, 354733680), (60, 336996996), (63, 320949520), (70, 288854568), (72, 280830830), (76, 266050260), (80, 252747747), (84, 240712140), (90, 224664664), (95, 212840208), (105, 192569712), (112, 180534105), (114, 177366840), (120, 168498498), (126, 160474760), (133, 152028720), (140, 144427284), (144, 140415415), (152, 133025130), (168, 120356070), (171, 118244560), (180, 112332332), (190, 106420104), (210, 96284856), (228, 88683420), (240, 84249249), (252, 80237380), (266, 76014360), (280, 72213642), (285, 70946736), (304, 66512565), (315, 64189904), (336, 60178035), (342, 59122280), (360, 56166166), (380, 53210052), (399, 50676240), (420, 48142428), (456, 44341710), (504, 40118690), (532, 38007180), (560, 36106821), (570, 35473368), (630, 32094952), (665, 30405744), (684, 29561140), (720, 28083083), (760, 26605026), (798, 25338120), (840, 24071214), (855, 23648912), (912, 22170855), (1008, 20059345), (1064, 19003590), (1140, 17736684), (1197, 16892080), (1260, 16047476), (1330, 15202872), (1368, 14780570), (1520, 13302513), (1596, 12669060), (1680, 12035607), (1710, 11824456), (1995, 10135248), (2128, 9501795), (2280, 8868342), (2394, 8446040), (2520, 8023738), (2660, 7601436), (2736, 7390285), (3192, 6334530), (3420, 5912228), (3990, 5067624), (4560, 4434171), (4788, 4223020), (5040, 4011869), (5320, 3800718), (5985, 3378416), (6384, 3167265), (6840, 2956114), (7980, 2533812), (9576, 2111510), (10640, 1900359), (11970, 1689208), (13680, 1478057), (15960, 1266906), (19152, 1055755), (23940, 844604), (31920, 633453), (47880, 422302), (95760, 211151)]