20505368520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{625927}}^1$

素因数の和:625964

約数の個数: 192

約数和(自身を含む): 82021605120

約数和(自身を除く): 61516236600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 32760, 625927, 1251854, 1877781, 2503708, 3129635, 3755562, 4381489, 5007416, 5633343, 6259270, 7511124, 8137051, 8762978, 9388905, 11266686, 12518540, 13144467, 15022248, 16274102, 17525956, 18777810, 21907445, 22533372, 24411153, 25037080, 26288934, 28166715, 32548204, 35051912, 37555620, 39433401, 40685255, 43814890, 45066744, 48822306, 52577868, 56333430, 56959357, 65096408, 65722335, 73233459, 75111240, 78866802, 81370510, 87629780, 97644612, 105155736, 112666860, 113918714, 122055765, 131444670, 146466918, 157733604, 162741020, 170878071, 175259560, 195289224, 197167005, 225333720, 227837428, 244111530, 262889340, 284796785, 292933836, 315467208, 325482040, 341756142, 366167295, 394334010, 455674856, 488223060, 512634213, 525778680, 569593570, 585867672, 683512284, 732334590, 788668020, 854390355, 976446120, 1025268426, 1139187140, 1367024568, 1464669180, 1577336040, 1708780710, 2050536852, 2278374280, 2563171065, 2929338360, 3417561420, 4101073704, 5126342130, 6835122840, 10252684260, 20505368520]

約数ペア:

[(1, 20505368520), (2, 10252684260), (3, 6835122840), (4, 5126342130), (5, 4101073704), (6, 3417561420), (7, 2929338360), (8, 2563171065), (9, 2278374280), (10, 2050536852), (12, 1708780710), (13, 1577336040), (14, 1464669180), (15, 1367024568), (18, 1139187140), (20, 1025268426), (21, 976446120), (24, 854390355), (26, 788668020), (28, 732334590), (30, 683512284), (35, 585867672), (36, 569593570), (39, 525778680), (40, 512634213), (42, 488223060), (45, 455674856), (52, 394334010), (56, 366167295), (60, 341756142), (63, 325482040), (65, 315467208), (70, 292933836), (72, 284796785), (78, 262889340), (84, 244111530), (90, 227837428), (91, 225333720), (104, 197167005), (105, 195289224), (117, 175259560), (120, 170878071), (126, 162741020), (130, 157733604), (140, 146466918), (156, 131444670), (168, 122055765), (180, 113918714), (182, 112666860), (195, 105155736), (210, 97644612), (234, 87629780), (252, 81370510), (260, 78866802), (273, 75111240), (280, 73233459), (312, 65722335), (315, 65096408), (360, 56959357), (364, 56333430), (390, 52577868), (420, 48822306), (455, 45066744), (468, 43814890), (504, 40685255), (520, 39433401), (546, 37555620), (585, 35051912), (630, 32548204), (728, 28166715), (780, 26288934), (819, 25037080), (840, 24411153), (910, 22533372), (936, 21907445), (1092, 18777810), (1170, 17525956), (1260, 16274102), (1365, 15022248), (1560, 13144467), (1638, 12518540), (1820, 11266686), (2184, 9388905), (2340, 8762978), (2520, 8137051), (2730, 7511124), (3276, 6259270), (3640, 5633343), (4095, 5007416), (4680, 4381489), (5460, 3755562), (6552, 3129635), (8190, 2503708), (10920, 1877781), (16380, 1251854), (32760, 625927)]