20057205760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 176

約数和(自身を含む): 49709675520

約数和(自身を除く): 29652469760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 67, 80, 118, 128, 134, 160, 236, 256, 268, 295, 320, 335, 472, 512, 536, 590, 640, 670, 944, 991, 1024, 1072, 1180, 1280, 1340, 1888, 1982, 2144, 2360, 2560, 2680, 3776, 3953, 3964, 4288, 4720, 4955, 5120, 5360, 7552, 7906, 7928, 8576, 9440, 9910, 10720, 15104, 15812, 15856, 17152, 18880, 19765, 19820, 21440, 30208, 31624, 31712, 34304, 37760, 39530, 39640, 42880, 58469, 60416, 63248, 63424, 66397, 68608, 75520, 79060, 79280, 85760, 116938, 126496, 126848, 132794, 151040, 158120, 158560, 171520, 233876, 252992, 253696, 265588, 292345, 302080, 316240, 317120, 331985, 343040, 467752, 505984, 507392, 531176, 584690, 632480, 634240, 663970, 935504, 1011968, 1014784, 1062352, 1169380, 1264960, 1268480, 1327940, 1871008, 2023936, 2124704, 2338760, 2529920, 2536960, 2655880, 3742016, 3917423, 4047872, 4249408, 4677520, 5059840, 5073920, 5311760, 7484032, 7834846, 8498816, 9355040, 10119680, 10623520, 14968064, 15669692, 16997632, 18710080, 19587115, 20239360, 21247040, 29936128, 31339384, 33995264, 37420160, 39174230, 42494080, 59872256, 62678768, 67990528, 74840320, 78348460, 84988160, 125357536, 149680640, 156696920, 169976320, 250715072, 299361280, 313393840, 339952640, 501430144, 626787680, 1002860288, 1253575360, 2005720576, 2507150720, 4011441152, 5014301440, 10028602880, 20057205760]

約数ペア:

[(1, 20057205760), (2, 10028602880), (4, 5014301440), (5, 4011441152), (8, 2507150720), (10, 2005720576), (16, 1253575360), (20, 1002860288), (32, 626787680), (40, 501430144), (59, 339952640), (64, 313393840), (67, 299361280), (80, 250715072), (118, 169976320), (128, 156696920), (134, 149680640), (160, 125357536), (236, 84988160), (256, 78348460), (268, 74840320), (295, 67990528), (320, 62678768), (335, 59872256), (472, 42494080), (512, 39174230), (536, 37420160), (590, 33995264), (640, 31339384), (670, 29936128), (944, 21247040), (991, 20239360), (1024, 19587115), (1072, 18710080), (1180, 16997632), (1280, 15669692), (1340, 14968064), (1888, 10623520), (1982, 10119680), (2144, 9355040), (2360, 8498816), (2560, 7834846), (2680, 7484032), (3776, 5311760), (3953, 5073920), (3964, 5059840), (4288, 4677520), (4720, 4249408), (4955, 4047872), (5120, 3917423), (5360, 3742016), (7552, 2655880), (7906, 2536960), (7928, 2529920), (8576, 2338760), (9440, 2124704), (9910, 2023936), (10720, 1871008), (15104, 1327940), (15812, 1268480), (15856, 1264960), (17152, 1169380), (18880, 1062352), (19765, 1014784), (19820, 1011968), (21440, 935504), (30208, 663970), (31624, 634240), (31712, 632480), (34304, 584690), (37760, 531176), (39530, 507392), (39640, 505984), (42880, 467752), (58469, 343040), (60416, 331985), (63248, 317120), (63424, 316240), (66397, 302080), (68608, 292345), (75520, 265588), (79060, 253696), (79280, 252992), (85760, 233876), (116938, 171520), (126496, 158560), (126848, 158120), (132794, 151040)]