20004983040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{106319}}^1$

素因数の和:106357

約数の個数: 216

約数和(自身を含む): 74322783360

約数和(自身を除く): 54317800320

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, 106319, 188160, 212638, 318957, 425276, 531595, 637914, 744233, 850552, 1063190, 1275828, 1488466, 1594785, 1701104, 2126380, 2232699, 2551656, 2976932, 3189570, 3402208, 3721165, 4252760, 4465398, 5103312, 5209631, 5953864, 6379140, 6804416, 7442330, 8505520, 8930796, 10206624, 10419262, 11163495, 11907728, 12758280, 13608832, 14884660, 15628893, 17011040, 17861592, 20413248, 20838524, 22326990, 23815456, 25516560, 26048155, 27217664, 29769320, 31257786, 34022080, 35723184, 40826496, 41677048, 44653980, 47630912, 51033120, 52096310, 59538640, 62515572, 68044160, 71446368, 78144465, 81652992, 83354096, 89307960, 95261824, 102066240, 104192620, 119077280, 125031144, 136088320, 142892736, 156288930, 166708192, 178615920, 190523648, 204132480, 208385240, 238154560, 250062288, 285785472, 312577860, 333416384, 357231840, 408264960, 416770480, 476309120, 500124576, 571570944, 625155720, 666832768, 714463680, 833540960, 952618240, 1000249152, 1250311440, 1333665536, 1428927360, 1667081920, 2000498304, 2500622880, 2857854720, 3334163840, 4000996608, 5001245760, 6668327680, 10002491520, 20004983040]

約数ペア:

[(1, 20004983040), (2, 10002491520), (3, 6668327680), (4, 5001245760), (5, 4000996608), (6, 3334163840), (7, 2857854720), (8, 2500622880), (10, 2000498304), (12, 1667081920), (14, 1428927360), (15, 1333665536), (16, 1250311440), (20, 1000249152), (21, 952618240), (24, 833540960), (28, 714463680), (30, 666832768), (32, 625155720), (35, 571570944), (40, 500124576), (42, 476309120), (48, 416770480), (49, 408264960), (56, 357231840), (60, 333416384), (64, 312577860), (70, 285785472), (80, 250062288), (84, 238154560), (96, 208385240), (98, 204132480), (105, 190523648), (112, 178615920), (120, 166708192), (128, 156288930), (140, 142892736), (147, 136088320), (160, 125031144), (168, 119077280), (192, 104192620), (196, 102066240), (210, 95261824), (224, 89307960), (240, 83354096), (245, 81652992), (256, 78144465), (280, 71446368), (294, 68044160), (320, 62515572), (336, 59538640), (384, 52096310), (392, 51033120), (420, 47630912), (448, 44653980), (480, 41677048), (490, 40826496), (560, 35723184), (588, 34022080), (640, 31257786), (672, 29769320), (735, 27217664), (768, 26048155), (784, 25516560), (840, 23815456), (896, 22326990), (960, 20838524), (980, 20413248), (1120, 17861592), (1176, 17011040), (1280, 15628893), (1344, 14884660), (1470, 13608832), (1568, 12758280), (1680, 11907728), (1792, 11163495), (1920, 10419262), (1960, 10206624), (2240, 8930796), (2352, 8505520), (2688, 7442330), (2940, 6804416), (3136, 6379140), (3360, 5953864), (3840, 5209631), (3920, 5103312), (4480, 4465398), (4704, 4252760), (5376, 3721165), (5880, 3402208), (6272, 3189570), (6720, 2976932), (7840, 2551656), (8960, 2232699), (9408, 2126380), (11760, 1701104), (12544, 1594785), (13440, 1488466), (15680, 1275828), (18816, 1063190), (23520, 850552), (26880, 744233), (31360, 637914), (37632, 531595), (47040, 425276), (62720, 318957), (94080, 212638), (106319, 188160)]