20247360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 224

約数和(自身を含む): 77248512

約数和(自身を除く): 57001152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 131, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 262, 276, 280, 320, 322, 336, 345, 368, 393, 420, 448, 460, 480, 483, 524, 552, 560, 644, 655, 672, 690, 736, 786, 805, 840, 917, 920, 960, 966, 1048, 1104, 1120, 1288, 1310, 1344, 1380, 1472, 1572, 1610, 1680, 1834, 1840, 1932, 1965, 2096, 2208, 2240, 2415, 2576, 2620, 2751, 2760, 3013, 3144, 3220, 3360, 3668, 3680, 3864, 3930, 4192, 4416, 4585, 4830, 5152, 5240, 5502, 5520, 6026, 6288, 6440, 6720, 7336, 7360, 7728, 7860, 8384, 9039, 9170, 9660, 10304, 10480, 11004, 11040, 12052, 12576, 12880, 13755, 14672, 15065, 15456, 15720, 18078, 18340, 19320, 20960, 21091, 22008, 22080, 24104, 25152, 25760, 27510, 29344, 30130, 30912, 31440, 36156, 36680, 38640, 41920, 42182, 44016, 45195, 48208, 51520, 55020, 58688, 60260, 62880, 63273, 72312, 73360, 77280, 84364, 88032, 90390, 96416, 105455, 110040, 120520, 125760, 126546, 144624, 146720, 154560, 168728, 176064, 180780, 192832, 210910, 220080, 241040, 253092, 289248, 293440, 316365, 337456, 361560, 421820, 440160, 482080, 506184, 578496, 632730, 674912, 723120, 843640, 880320, 964160, 1012368, 1265460, 1349824, 1446240, 1687280, 2024736, 2530920, 2892480, 3374560, 4049472, 5061840, 6749120, 10123680, 20247360]

約数ペア:

[(1, 20247360), (2, 10123680), (3, 6749120), (4, 5061840), (5, 4049472), (6, 3374560), (7, 2892480), (8, 2530920), (10, 2024736), (12, 1687280), (14, 1446240), (15, 1349824), (16, 1265460), (20, 1012368), (21, 964160), (23, 880320), (24, 843640), (28, 723120), (30, 674912), (32, 632730), (35, 578496), (40, 506184), (42, 482080), (46, 440160), (48, 421820), (56, 361560), (60, 337456), (64, 316365), (69, 293440), (70, 289248), (80, 253092), (84, 241040), (92, 220080), (96, 210910), (105, 192832), (112, 180780), (115, 176064), (120, 168728), (131, 154560), (138, 146720), (140, 144624), (160, 126546), (161, 125760), (168, 120520), (184, 110040), (192, 105455), (210, 96416), (224, 90390), (230, 88032), (240, 84364), (262, 77280), (276, 73360), (280, 72312), (320, 63273), (322, 62880), (336, 60260), (345, 58688), (368, 55020), (393, 51520), (420, 48208), (448, 45195), (460, 44016), (480, 42182), (483, 41920), (524, 38640), (552, 36680), (560, 36156), (644, 31440), (655, 30912), (672, 30130), (690, 29344), (736, 27510), (786, 25760), (805, 25152), (840, 24104), (917, 22080), (920, 22008), (960, 21091), (966, 20960), (1048, 19320), (1104, 18340), (1120, 18078), (1288, 15720), (1310, 15456), (1344, 15065), (1380, 14672), (1472, 13755), (1572, 12880), (1610, 12576), (1680, 12052), (1834, 11040), (1840, 11004), (1932, 10480), (1965, 10304), (2096, 9660), (2208, 9170), (2240, 9039), (2415, 8384), (2576, 7860), (2620, 7728), (2751, 7360), (2760, 7336), (3013, 6720), (3144, 6440), (3220, 6288), (3360, 6026), (3668, 5520), (3680, 5502), (3864, 5240), (3930, 5152), (4192, 4830), (4416, 4585)]