20379600

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 300

約数和(自身を含む): 79536204

約数和(自身を除く): 59156604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 34, 36, 37, 40, 45, 48, 50, 51, 54, 60, 68, 72, 74, 75, 80, 81, 85, 90, 100, 102, 108, 111, 120, 135, 136, 144, 148, 150, 153, 162, 170, 180, 185, 200, 204, 216, 222, 225, 240, 255, 270, 272, 296, 300, 306, 324, 333, 340, 360, 370, 400, 405, 408, 425, 432, 444, 450, 459, 510, 540, 555, 592, 600, 612, 629, 648, 666, 675, 680, 720, 740, 765, 810, 816, 850, 888, 900, 918, 925, 999, 1020, 1080, 1110, 1200, 1224, 1258, 1275, 1296, 1332, 1350, 1360, 1377, 1480, 1530, 1620, 1665, 1700, 1776, 1800, 1836, 1850, 1887, 1998, 2025, 2040, 2160, 2220, 2295, 2448, 2516, 2550, 2664, 2700, 2754, 2775, 2960, 2997, 3060, 3145, 3240, 3330, 3400, 3600, 3672, 3700, 3774, 3825, 3996, 4050, 4080, 4440, 4590, 4995, 5032, 5100, 5328, 5400, 5508, 5550, 5661, 5994, 6120, 6290, 6480, 6660, 6800, 6885, 7344, 7400, 7548, 7650, 7992, 8100, 8325, 8880, 9180, 9435, 9990, 10064, 10200, 10800, 11016, 11100, 11322, 11475, 11988, 12240, 12580, 13320, 13770, 14800, 14985, 15096, 15300, 15725, 15984, 16200, 16650, 16983, 18360, 18870, 19980, 20400, 22032, 22200, 22644, 22950, 23976, 24975, 25160, 26640, 27540, 28305, 29970, 30192, 30600, 31450, 32400, 33300, 33966, 34425, 36720, 37740, 39960, 44400, 45288, 45900, 47175, 47952, 49950, 50320, 50949, 55080, 56610, 59940, 61200, 62900, 66600, 67932, 68850, 74925, 75480, 79920, 84915, 90576, 91800, 94350, 99900, 101898, 110160, 113220, 119880, 125800, 133200, 135864, 137700, 141525, 149850, 150960, 169830, 183600, 188700, 199800, 203796, 226440, 239760, 251600, 254745, 271728, 275400, 283050, 299700, 339660, 377400, 399600, 407592, 424575, 452880, 509490, 550800, 566100, 599400, 679320, 754800, 815184, 849150, 1018980, 1132200, 1198800, 1273725, 1358640, 1698300, 2037960, 2264400, 2547450, 3396600, 4075920, 5094900, 6793200, 10189800, 20379600]

約数ペア:

[(1, 20379600), (2, 10189800), (3, 6793200), (4, 5094900), (5, 4075920), (6, 3396600), (8, 2547450), (9, 2264400), (10, 2037960), (12, 1698300), (15, 1358640), (16, 1273725), (17, 1198800), (18, 1132200), (20, 1018980), (24, 849150), (25, 815184), (27, 754800), (30, 679320), (34, 599400), (36, 566100), (37, 550800), (40, 509490), (45, 452880), (48, 424575), (50, 407592), (51, 399600), (54, 377400), (60, 339660), (68, 299700), (72, 283050), (74, 275400), (75, 271728), (80, 254745), (81, 251600), (85, 239760), (90, 226440), (100, 203796), (102, 199800), (108, 188700), (111, 183600), (120, 169830), (135, 150960), (136, 149850), (144, 141525), (148, 137700), (150, 135864), (153, 133200), (162, 125800), (170, 119880), (180, 113220), (185, 110160), (200, 101898), (204, 99900), (216, 94350), (222, 91800), (225, 90576), (240, 84915), (255, 79920), (270, 75480), (272, 74925), (296, 68850), (300, 67932), (306, 66600), (324, 62900), (333, 61200), (340, 59940), (360, 56610), (370, 55080), (400, 50949), (405, 50320), (408, 49950), (425, 47952), (432, 47175), (444, 45900), (450, 45288), (459, 44400), (510, 39960), (540, 37740), (555, 36720), (592, 34425), (600, 33966), (612, 33300), (629, 32400), (648, 31450), (666, 30600), (675, 30192), (680, 29970), (720, 28305), (740, 27540), (765, 26640), (810, 25160), (816, 24975), (850, 23976), (888, 22950), (900, 22644), (918, 22200), (925, 22032), (999, 20400), (1020, 19980), (1080, 18870), (1110, 18360), (1200, 16983), (1224, 16650), (1258, 16200), (1275, 15984), (1296, 15725), (1332, 15300), (1350, 15096), (1360, 14985), (1377, 14800), (1480, 13770), (1530, 13320), (1620, 12580), (1665, 12240), (1700, 11988), (1776, 11475), (1800, 11322), (1836, 11100), (1850, 11016), (1887, 10800), (1998, 10200), (2025, 10064), (2040, 9990), (2160, 9435), (2220, 9180), (2295, 8880), (2448, 8325), (2516, 8100), (2550, 7992), (2664, 7650), (2700, 7548), (2754, 7400), (2775, 7344), (2960, 6885), (2997, 6800), (3060, 6660), (3145, 6480), (3240, 6290), (3330, 6120), (3400, 5994), (3600, 5661), (3672, 5550), (3700, 5508), (3774, 5400), (3825, 5328), (3996, 5100), (4050, 5032), (4080, 4995), (4440, 4590)]