20244960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:865

約数の個数: 144

約数和(自身を含む): 73238256

約数和(自身を除く): 52993296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 827, 1020, 1224, 1360, 1440, 1530, 1632, 1654, 2040, 2448, 2481, 2720, 3060, 3308, 4080, 4135, 4896, 4962, 6120, 6616, 7443, 8160, 8270, 9924, 12240, 12405, 13232, 14059, 14886, 16540, 19848, 24480, 24810, 26464, 28118, 29772, 33080, 37215, 39696, 42177, 49620, 56236, 59544, 66160, 70295, 74430, 79392, 84354, 99240, 112472, 119088, 126531, 132320, 140590, 148860, 168708, 198480, 210885, 224944, 238176, 253062, 281180, 297720, 337416, 396960, 421770, 449888, 506124, 562360, 595440, 632655, 674832, 843540, 1012248, 1124720, 1190880, 1265310, 1349664, 1687080, 2024496, 2249440, 2530620, 3374160, 4048992, 5061240, 6748320, 10122480, 20244960]

約数ペア:

[(1, 20244960), (2, 10122480), (3, 6748320), (4, 5061240), (5, 4048992), (6, 3374160), (8, 2530620), (9, 2249440), (10, 2024496), (12, 1687080), (15, 1349664), (16, 1265310), (17, 1190880), (18, 1124720), (20, 1012248), (24, 843540), (30, 674832), (32, 632655), (34, 595440), (36, 562360), (40, 506124), (45, 449888), (48, 421770), (51, 396960), (60, 337416), (68, 297720), (72, 281180), (80, 253062), (85, 238176), (90, 224944), (96, 210885), (102, 198480), (120, 168708), (136, 148860), (144, 140590), (153, 132320), (160, 126531), (170, 119088), (180, 112472), (204, 99240), (240, 84354), (255, 79392), (272, 74430), (288, 70295), (306, 66160), (340, 59544), (360, 56236), (408, 49620), (480, 42177), (510, 39696), (544, 37215), (612, 33080), (680, 29772), (720, 28118), (765, 26464), (816, 24810), (827, 24480), (1020, 19848), (1224, 16540), (1360, 14886), (1440, 14059), (1530, 13232), (1632, 12405), (1654, 12240), (2040, 9924), (2448, 8270), (2481, 8160), (2720, 7443), (3060, 6616), (3308, 6120), (4080, 4962), (4135, 4896)]