20809218240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{32401}}^1$

素因数の和:32647

約数の個数: 168

約数和(自身を含む): 71898223488

約数和(自身を除く): 51089005248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 223, 240, 288, 320, 360, 446, 480, 576, 669, 720, 892, 960, 1115, 1338, 1440, 1784, 2007, 2230, 2676, 2880, 3345, 3568, 4014, 4460, 5352, 6690, 7136, 8028, 8920, 10035, 10704, 13380, 14272, 16056, 17840, 20070, 21408, 26760, 32112, 32401, 35680, 40140, 42816, 53520, 64224, 64802, 71360, 80280, 97203, 107040, 128448, 129604, 160560, 162005, 194406, 214080, 259208, 291609, 321120, 324010, 388812, 486015, 518416, 583218, 642240, 648020, 777624, 972030, 1036832, 1166436, 1296040, 1458045, 1555248, 1944060, 2073664, 2332872, 2592080, 2916090, 3110496, 3888120, 4665744, 5184160, 5832180, 6220992, 7225423, 7776240, 9331488, 10368320, 11664360, 14450846, 15552480, 18662976, 21676269, 23328720, 28901692, 31104960, 36127115, 43352538, 46657440, 57803384, 65028807, 72254230, 86705076, 93314880, 108381345, 115606768, 130057614, 144508460, 173410152, 216762690, 231213536, 260115228, 289016920, 325144035, 346820304, 433525380, 462427072, 520230456, 578033840, 650288070, 693640608, 867050760, 1040460912, 1156067680, 1300576140, 1387281216, 1734101520, 2080921824, 2312135360, 2601152280, 3468203040, 4161843648, 5202304560, 6936406080, 10404609120, 20809218240]

約数ペア:

[(1, 20809218240), (2, 10404609120), (3, 6936406080), (4, 5202304560), (5, 4161843648), (6, 3468203040), (8, 2601152280), (9, 2312135360), (10, 2080921824), (12, 1734101520), (15, 1387281216), (16, 1300576140), (18, 1156067680), (20, 1040460912), (24, 867050760), (30, 693640608), (32, 650288070), (36, 578033840), (40, 520230456), (45, 462427072), (48, 433525380), (60, 346820304), (64, 325144035), (72, 289016920), (80, 260115228), (90, 231213536), (96, 216762690), (120, 173410152), (144, 144508460), (160, 130057614), (180, 115606768), (192, 108381345), (223, 93314880), (240, 86705076), (288, 72254230), (320, 65028807), (360, 57803384), (446, 46657440), (480, 43352538), (576, 36127115), (669, 31104960), (720, 28901692), (892, 23328720), (960, 21676269), (1115, 18662976), (1338, 15552480), (1440, 14450846), (1784, 11664360), (2007, 10368320), (2230, 9331488), (2676, 7776240), (2880, 7225423), (3345, 6220992), (3568, 5832180), (4014, 5184160), (4460, 4665744), (5352, 3888120), (6690, 3110496), (7136, 2916090), (8028, 2592080), (8920, 2332872), (10035, 2073664), (10704, 1944060), (13380, 1555248), (14272, 1458045), (16056, 1296040), (17840, 1166436), (20070, 1036832), (21408, 972030), (26760, 777624), (32112, 648020), (32401, 642240), (35680, 583218), (40140, 518416), (42816, 486015), (53520, 388812), (64224, 324010), (64802, 321120), (71360, 291609), (80280, 259208), (97203, 214080), (107040, 194406), (128448, 162005), (129604, 160560)]