20085840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:586

約数の個数: 160

約数和(自身を含む): 73388160

約数和(自身を除く): 53302320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 547, 612, 680, 720, 765, 816, 918, 1020, 1080, 1094, 1224, 1360, 1530, 1641, 1836, 2040, 2160, 2188, 2295, 2448, 2735, 3060, 3282, 3672, 4080, 4376, 4590, 4923, 5470, 6120, 6564, 7344, 8205, 8752, 9180, 9299, 9846, 10940, 12240, 13128, 14769, 16410, 18360, 18598, 19692, 21880, 24615, 26256, 27897, 29538, 32820, 36720, 37196, 39384, 43760, 46495, 49230, 55794, 59076, 65640, 73845, 74392, 78768, 83691, 92990, 98460, 111588, 118152, 131280, 139485, 147690, 148784, 167382, 185980, 196920, 223176, 236304, 251073, 278970, 295380, 334764, 371960, 393840, 418455, 446352, 502146, 557940, 590760, 669528, 743920, 836910, 1004292, 1115880, 1181520, 1255365, 1339056, 1673820, 2008584, 2231760, 2510730, 3347640, 4017168, 5021460, 6695280, 10042920, 20085840]

約数ペア:

[(1, 20085840), (2, 10042920), (3, 6695280), (4, 5021460), (5, 4017168), (6, 3347640), (8, 2510730), (9, 2231760), (10, 2008584), (12, 1673820), (15, 1339056), (16, 1255365), (17, 1181520), (18, 1115880), (20, 1004292), (24, 836910), (27, 743920), (30, 669528), (34, 590760), (36, 557940), (40, 502146), (45, 446352), (48, 418455), (51, 393840), (54, 371960), (60, 334764), (68, 295380), (72, 278970), (80, 251073), (85, 236304), (90, 223176), (102, 196920), (108, 185980), (120, 167382), (135, 148784), (136, 147690), (144, 139485), (153, 131280), (170, 118152), (180, 111588), (204, 98460), (216, 92990), (240, 83691), (255, 78768), (270, 74392), (272, 73845), (306, 65640), (340, 59076), (360, 55794), (408, 49230), (432, 46495), (459, 43760), (510, 39384), (540, 37196), (547, 36720), (612, 32820), (680, 29538), (720, 27897), (765, 26256), (816, 24615), (918, 21880), (1020, 19692), (1080, 18598), (1094, 18360), (1224, 16410), (1360, 14769), (1530, 13128), (1641, 12240), (1836, 10940), (2040, 9846), (2160, 9299), (2188, 9180), (2295, 8752), (2448, 8205), (2735, 7344), (3060, 6564), (3282, 6120), (3672, 5470), (4080, 4923), (4376, 4590)]