20411160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 78001920

約数和(自身を除く): 57590760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 47, 55, 56, 60, 66, 70, 77, 84, 88, 94, 105, 110, 120, 132, 140, 141, 154, 165, 168, 188, 210, 220, 231, 235, 264, 280, 282, 308, 329, 330, 376, 385, 420, 440, 462, 470, 517, 564, 616, 658, 660, 705, 770, 840, 924, 940, 987, 1034, 1128, 1155, 1316, 1320, 1410, 1540, 1551, 1645, 1848, 1880, 1974, 2068, 2209, 2310, 2585, 2632, 2820, 3080, 3102, 3290, 3619, 3948, 4136, 4418, 4620, 4935, 5170, 5640, 6204, 6580, 6627, 7238, 7755, 7896, 8836, 9240, 9870, 10340, 10857, 11045, 12408, 13160, 13254, 14476, 15463, 15510, 17672, 18095, 19740, 20680, 21714, 22090, 24299, 26508, 28952, 30926, 31020, 33135, 36190, 39480, 43428, 44180, 46389, 48598, 53016, 54285, 61852, 62040, 66270, 72380, 72897, 77315, 86856, 88360, 92778, 97196, 108570, 121495, 123704, 132540, 144760, 145794, 154630, 170093, 185556, 194392, 217140, 231945, 242990, 265080, 291588, 309260, 340186, 364485, 371112, 434280, 463890, 485980, 510279, 583176, 618520, 680372, 728970, 850465, 927780, 971960, 1020558, 1360744, 1457940, 1700930, 1855560, 2041116, 2551395, 2915880, 3401860, 4082232, 5102790, 6803720, 10205580, 20411160]

約数ペア:

[(1, 20411160), (2, 10205580), (3, 6803720), (4, 5102790), (5, 4082232), (6, 3401860), (7, 2915880), (8, 2551395), (10, 2041116), (11, 1855560), (12, 1700930), (14, 1457940), (15, 1360744), (20, 1020558), (21, 971960), (22, 927780), (24, 850465), (28, 728970), (30, 680372), (33, 618520), (35, 583176), (40, 510279), (42, 485980), (44, 463890), (47, 434280), (55, 371112), (56, 364485), (60, 340186), (66, 309260), (70, 291588), (77, 265080), (84, 242990), (88, 231945), (94, 217140), (105, 194392), (110, 185556), (120, 170093), (132, 154630), (140, 145794), (141, 144760), (154, 132540), (165, 123704), (168, 121495), (188, 108570), (210, 97196), (220, 92778), (231, 88360), (235, 86856), (264, 77315), (280, 72897), (282, 72380), (308, 66270), (329, 62040), (330, 61852), (376, 54285), (385, 53016), (420, 48598), (440, 46389), (462, 44180), (470, 43428), (517, 39480), (564, 36190), (616, 33135), (658, 31020), (660, 30926), (705, 28952), (770, 26508), (840, 24299), (924, 22090), (940, 21714), (987, 20680), (1034, 19740), (1128, 18095), (1155, 17672), (1316, 15510), (1320, 15463), (1410, 14476), (1540, 13254), (1551, 13160), (1645, 12408), (1848, 11045), (1880, 10857), (1974, 10340), (2068, 9870), (2209, 9240), (2310, 8836), (2585, 7896), (2632, 7755), (2820, 7238), (3080, 6627), (3102, 6580), (3290, 6204), (3619, 5640), (3948, 5170), (4136, 4935), (4418, 4620)]