20012400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 76111200

約数和(自身を除く): 56098800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 34, 36, 40, 45, 48, 50, 51, 54, 60, 68, 72, 75, 80, 85, 90, 100, 102, 108, 109, 120, 135, 136, 144, 150, 153, 170, 180, 200, 204, 216, 218, 225, 240, 255, 270, 272, 300, 306, 327, 340, 360, 400, 408, 425, 432, 436, 450, 459, 510, 540, 545, 600, 612, 654, 675, 680, 720, 765, 816, 850, 872, 900, 918, 981, 1020, 1080, 1090, 1200, 1224, 1275, 1308, 1350, 1360, 1530, 1635, 1700, 1744, 1800, 1836, 1853, 1962, 2040, 2160, 2180, 2295, 2448, 2550, 2616, 2700, 2725, 2943, 3060, 3270, 3400, 3600, 3672, 3706, 3825, 3924, 4080, 4360, 4590, 4905, 5100, 5232, 5400, 5450, 5559, 5886, 6120, 6540, 6800, 7344, 7412, 7650, 7848, 8175, 8720, 9180, 9265, 9810, 10200, 10800, 10900, 11118, 11475, 11772, 12240, 13080, 14715, 14824, 15300, 15696, 16350, 16677, 18360, 18530, 19620, 20400, 21800, 22236, 22950, 23544, 24525, 26160, 27795, 29430, 29648, 30600, 32700, 33354, 36720, 37060, 39240, 43600, 44472, 45900, 46325, 47088, 49050, 50031, 55590, 58860, 61200, 65400, 66708, 73575, 74120, 78480, 83385, 88944, 91800, 92650, 98100, 100062, 111180, 117720, 130800, 133416, 138975, 147150, 148240, 166770, 183600, 185300, 196200, 200124, 222360, 235440, 250155, 266832, 277950, 294300, 333540, 370600, 392400, 400248, 416925, 444720, 500310, 555900, 588600, 667080, 741200, 800496, 833850, 1000620, 1111800, 1177200, 1250775, 1334160, 1667700, 2001240, 2223600, 2501550, 3335400, 4002480, 5003100, 6670800, 10006200, 20012400]

約数ペア:

[(1, 20012400), (2, 10006200), (3, 6670800), (4, 5003100), (5, 4002480), (6, 3335400), (8, 2501550), (9, 2223600), (10, 2001240), (12, 1667700), (15, 1334160), (16, 1250775), (17, 1177200), (18, 1111800), (20, 1000620), (24, 833850), (25, 800496), (27, 741200), (30, 667080), (34, 588600), (36, 555900), (40, 500310), (45, 444720), (48, 416925), (50, 400248), (51, 392400), (54, 370600), (60, 333540), (68, 294300), (72, 277950), (75, 266832), (80, 250155), (85, 235440), (90, 222360), (100, 200124), (102, 196200), (108, 185300), (109, 183600), (120, 166770), (135, 148240), (136, 147150), (144, 138975), (150, 133416), (153, 130800), (170, 117720), (180, 111180), (200, 100062), (204, 98100), (216, 92650), (218, 91800), (225, 88944), (240, 83385), (255, 78480), (270, 74120), (272, 73575), (300, 66708), (306, 65400), (327, 61200), (340, 58860), (360, 55590), (400, 50031), (408, 49050), (425, 47088), (432, 46325), (436, 45900), (450, 44472), (459, 43600), (510, 39240), (540, 37060), (545, 36720), (600, 33354), (612, 32700), (654, 30600), (675, 29648), (680, 29430), (720, 27795), (765, 26160), (816, 24525), (850, 23544), (872, 22950), (900, 22236), (918, 21800), (981, 20400), (1020, 19620), (1080, 18530), (1090, 18360), (1200, 16677), (1224, 16350), (1275, 15696), (1308, 15300), (1350, 14824), (1360, 14715), (1530, 13080), (1635, 12240), (1700, 11772), (1744, 11475), (1800, 11118), (1836, 10900), (1853, 10800), (1962, 10200), (2040, 9810), (2160, 9265), (2180, 9180), (2295, 8720), (2448, 8175), (2550, 7848), (2616, 7650), (2700, 7412), (2725, 7344), (2943, 6800), (3060, 6540), (3270, 6120), (3400, 5886), (3600, 5559), (3672, 5450), (3706, 5400), (3825, 5232), (3924, 5100), (4080, 4905), (4360, 4590)]