20946240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1069

約数の個数: 168

約数和(自身を含む): 82417920

約数和(自身を除く): 61471680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1039, 1120, 1260, 1344, 1440, 1680, 2016, 2078, 2240, 2520, 2880, 3117, 3360, 4032, 4156, 5040, 5195, 6234, 6720, 7273, 8312, 9351, 10080, 10390, 12468, 14546, 15585, 16624, 18702, 20160, 20780, 21819, 24936, 29092, 31170, 33248, 36365, 37404, 41560, 43638, 46755, 49872, 58184, 62340, 65457, 66496, 72730, 74808, 83120, 87276, 93510, 99744, 109095, 116368, 124680, 130914, 145460, 149616, 166240, 174552, 187020, 199488, 218190, 232736, 249360, 261828, 290920, 299232, 327285, 332480, 349104, 374040, 436380, 465472, 498720, 523656, 581840, 598464, 654570, 698208, 748080, 872760, 997440, 1047312, 1163680, 1309140, 1396416, 1496160, 1745520, 2094624, 2327360, 2618280, 2992320, 3491040, 4189248, 5236560, 6982080, 10473120, 20946240]

約数ペア:

[(1, 20946240), (2, 10473120), (3, 6982080), (4, 5236560), (5, 4189248), (6, 3491040), (7, 2992320), (8, 2618280), (9, 2327360), (10, 2094624), (12, 1745520), (14, 1496160), (15, 1396416), (16, 1309140), (18, 1163680), (20, 1047312), (21, 997440), (24, 872760), (28, 748080), (30, 698208), (32, 654570), (35, 598464), (36, 581840), (40, 523656), (42, 498720), (45, 465472), (48, 436380), (56, 374040), (60, 349104), (63, 332480), (64, 327285), (70, 299232), (72, 290920), (80, 261828), (84, 249360), (90, 232736), (96, 218190), (105, 199488), (112, 187020), (120, 174552), (126, 166240), (140, 149616), (144, 145460), (160, 130914), (168, 124680), (180, 116368), (192, 109095), (210, 99744), (224, 93510), (240, 87276), (252, 83120), (280, 74808), (288, 72730), (315, 66496), (320, 65457), (336, 62340), (360, 58184), (420, 49872), (448, 46755), (480, 43638), (504, 41560), (560, 37404), (576, 36365), (630, 33248), (672, 31170), (720, 29092), (840, 24936), (960, 21819), (1008, 20780), (1039, 20160), (1120, 18702), (1260, 16624), (1344, 15585), (1440, 14546), (1680, 12468), (2016, 10390), (2078, 10080), (2240, 9351), (2520, 8312), (2880, 7273), (3117, 6720), (3360, 6234), (4032, 5195), (4156, 5040)]