20209356720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{93251}}^1$

素因数の和:93320

約数の個数: 240

約数和(自身を含む): 79370134272

約数和(自身を除く): 59160777552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 630, 645, 688, 720, 774, 840, 860, 903, 1008, 1032, 1204, 1260, 1290, 1505, 1548, 1680, 1720, 1806, 1935, 2064, 2408, 2520, 2580, 2709, 3010, 3096, 3440, 3612, 3870, 4515, 4816, 5040, 5160, 5418, 6020, 6192, 7224, 7740, 9030, 10320, 10836, 12040, 13545, 14448, 15480, 18060, 21672, 24080, 27090, 30960, 36120, 43344, 54180, 72240, 93251, 108360, 186502, 216720, 279753, 373004, 466255, 559506, 652757, 746008, 839259, 932510, 1119012, 1305514, 1398765, 1492016, 1678518, 1865020, 1958271, 2238024, 2611028, 2797530, 3263785, 3357036, 3730040, 3916542, 4009793, 4196295, 4476048, 5222056, 5595060, 5874813, 6527570, 6714072, 7460080, 7833084, 8019586, 8392590, 9791355, 10444112, 11190120, 11749626, 12029379, 13055140, 13428144, 15666168, 16039172, 16785180, 19582710, 20048965, 22380240, 23499252, 24058758, 26110280, 28068551, 29374065, 31332336, 32078344, 33570360, 36088137, 39165420, 40097930, 46998504, 48117516, 52220560, 56137102, 58748130, 60146895, 64156688, 67140720, 72176274, 78330840, 80195860, 84205653, 93997008, 96235032, 112274204, 117496260, 120293790, 140342755, 144352548, 156661680, 160391720, 168411306, 180440685, 192470064, 224548408, 234992520, 240587580, 252616959, 280685510, 288705096, 320783440, 336822612, 360881370, 421028265, 449096816, 469985040, 481175160, 505233918, 561371020, 577410192, 673645224, 721762740, 842056530, 962350320, 1010467836, 1122742040, 1263084795, 1347290448, 1443525480, 1684113060, 2020935672, 2245484080, 2526169590, 2887050960, 3368226120, 4041871344, 5052339180, 6736452240, 10104678360, 20209356720]

約数ペア:

[(1, 20209356720), (2, 10104678360), (3, 6736452240), (4, 5052339180), (5, 4041871344), (6, 3368226120), (7, 2887050960), (8, 2526169590), (9, 2245484080), (10, 2020935672), (12, 1684113060), (14, 1443525480), (15, 1347290448), (16, 1263084795), (18, 1122742040), (20, 1010467836), (21, 962350320), (24, 842056530), (28, 721762740), (30, 673645224), (35, 577410192), (36, 561371020), (40, 505233918), (42, 481175160), (43, 469985040), (45, 449096816), (48, 421028265), (56, 360881370), (60, 336822612), (63, 320783440), (70, 288705096), (72, 280685510), (80, 252616959), (84, 240587580), (86, 234992520), (90, 224548408), (105, 192470064), (112, 180440685), (120, 168411306), (126, 160391720), (129, 156661680), (140, 144352548), (144, 140342755), (168, 120293790), (172, 117496260), (180, 112274204), (210, 96235032), (215, 93997008), (240, 84205653), (252, 80195860), (258, 78330840), (280, 72176274), (301, 67140720), (315, 64156688), (336, 60146895), (344, 58748130), (360, 56137102), (387, 52220560), (420, 48117516), (430, 46998504), (504, 40097930), (516, 39165420), (560, 36088137), (602, 33570360), (630, 32078344), (645, 31332336), (688, 29374065), (720, 28068551), (774, 26110280), (840, 24058758), (860, 23499252), (903, 22380240), (1008, 20048965), (1032, 19582710), (1204, 16785180), (1260, 16039172), (1290, 15666168), (1505, 13428144), (1548, 13055140), (1680, 12029379), (1720, 11749626), (1806, 11190120), (1935, 10444112), (2064, 9791355), (2408, 8392590), (2520, 8019586), (2580, 7833084), (2709, 7460080), (3010, 6714072), (3096, 6527570), (3440, 5874813), (3612, 5595060), (3870, 5222056), (4515, 4476048), (4816, 4196295), (5040, 4009793), (5160, 3916542), (5418, 3730040), (6020, 3357036), (6192, 3263785), (7224, 2797530), (7740, 2611028), (9030, 2238024), (10320, 1958271), (10836, 1865020), (12040, 1678518), (13545, 1492016), (14448, 1398765), (15480, 1305514), (18060, 1119012), (21672, 932510), (24080, 839259), (27090, 746008), (30960, 652757), (36120, 559506), (43344, 466255), (54180, 373004), (72240, 279753), (93251, 216720), (108360, 186502)]