20949169920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{111337}}^1$

素因数の和:111375

約数の個数: 216

約数和(自身を含む): 77830606224

約数和(自身を除く): 56881436304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 7840, 8960, 9408, 11760, 12544, 13440, 15680, 18816, 23520, 26880, 31360, 37632, 47040, 62720, 94080, 111337, 188160, 222674, 334011, 445348, 556685, 668022, 779359, 890696, 1113370, 1336044, 1558718, 1670055, 1781392, 2226740, 2338077, 2672088, 3117436, 3340110, 3562784, 3896795, 4453480, 4676154, 5344176, 5455513, 6234872, 6680220, 7125568, 7793590, 8906960, 9352308, 10688352, 10911026, 11690385, 12469744, 13360440, 14251136, 15587180, 16366539, 17813920, 18704616, 21376704, 21822052, 23380770, 24939488, 26720880, 27277565, 28502272, 31174360, 32733078, 35627840, 37409232, 42753408, 43644104, 46761540, 49878976, 53441760, 54555130, 62348720, 65466156, 71255680, 74818464, 81832695, 85506816, 87288208, 93523080, 99757952, 106883520, 109110260, 124697440, 130932312, 142511360, 149636928, 163665390, 174576416, 187046160, 199515904, 213767040, 218220520, 249394880, 261864624, 299273856, 327330780, 349152832, 374092320, 427534080, 436441040, 498789760, 523729248, 598547712, 654661560, 698305664, 748184640, 872882080, 997579520, 1047458496, 1309323120, 1396611328, 1496369280, 1745764160, 2094916992, 2618646240, 2992738560, 3491528320, 4189833984, 5237292480, 6983056640, 10474584960, 20949169920]

約数ペア:

[(1, 20949169920), (2, 10474584960), (3, 6983056640), (4, 5237292480), (5, 4189833984), (6, 3491528320), (7, 2992738560), (8, 2618646240), (10, 2094916992), (12, 1745764160), (14, 1496369280), (15, 1396611328), (16, 1309323120), (20, 1047458496), (21, 997579520), (24, 872882080), (28, 748184640), (30, 698305664), (32, 654661560), (35, 598547712), (40, 523729248), (42, 498789760), (48, 436441040), (49, 427534080), (56, 374092320), (60, 349152832), (64, 327330780), (70, 299273856), (80, 261864624), (84, 249394880), (96, 218220520), (98, 213767040), (105, 199515904), (112, 187046160), (120, 174576416), (128, 163665390), (140, 149636928), (147, 142511360), (160, 130932312), (168, 124697440), (192, 109110260), (196, 106883520), (210, 99757952), (224, 93523080), (240, 87288208), (245, 85506816), (256, 81832695), (280, 74818464), (294, 71255680), (320, 65466156), (336, 62348720), (384, 54555130), (392, 53441760), (420, 49878976), (448, 46761540), (480, 43644104), (490, 42753408), (560, 37409232), (588, 35627840), (640, 32733078), (672, 31174360), (735, 28502272), (768, 27277565), (784, 26720880), (840, 24939488), (896, 23380770), (960, 21822052), (980, 21376704), (1120, 18704616), (1176, 17813920), (1280, 16366539), (1344, 15587180), (1470, 14251136), (1568, 13360440), (1680, 12469744), (1792, 11690385), (1920, 10911026), (1960, 10688352), (2240, 9352308), (2352, 8906960), (2688, 7793590), (2940, 7125568), (3136, 6680220), (3360, 6234872), (3840, 5455513), (3920, 5344176), (4480, 4676154), (4704, 4453480), (5376, 3896795), (5880, 3562784), (6272, 3340110), (6720, 3117436), (7840, 2672088), (8960, 2338077), (9408, 2226740), (11760, 1781392), (12544, 1670055), (13440, 1558718), (15680, 1336044), (18816, 1113370), (23520, 890696), (26880, 779359), (31360, 668022), (37632, 556685), (47040, 445348), (62720, 334011), (94080, 222674), (111337, 188160)]