20497200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 73804800

約数和(自身を除く): 53307600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 29, 30, 31, 38, 40, 48, 50, 57, 58, 60, 62, 75, 76, 80, 87, 93, 95, 100, 114, 116, 120, 124, 145, 150, 152, 155, 174, 186, 190, 200, 228, 232, 240, 248, 285, 290, 300, 304, 310, 348, 372, 380, 400, 435, 456, 464, 465, 475, 496, 551, 570, 580, 589, 600, 620, 696, 725, 744, 760, 775, 870, 899, 912, 930, 950, 1102, 1140, 1160, 1178, 1200, 1240, 1392, 1425, 1450, 1488, 1520, 1550, 1653, 1740, 1767, 1798, 1860, 1900, 2175, 2204, 2280, 2320, 2325, 2356, 2480, 2697, 2755, 2850, 2900, 2945, 3100, 3306, 3480, 3534, 3596, 3720, 3800, 4350, 4408, 4495, 4560, 4650, 4712, 5394, 5510, 5700, 5800, 5890, 6200, 6612, 6960, 7068, 7192, 7440, 7600, 8265, 8700, 8816, 8835, 8990, 9300, 9424, 10788, 11020, 11400, 11600, 11780, 12400, 13224, 13485, 13775, 14136, 14384, 14725, 16530, 17081, 17400, 17670, 17980, 18600, 21576, 22040, 22475, 22800, 23560, 26448, 26970, 27550, 28272, 29450, 33060, 34162, 34800, 35340, 35960, 37200, 41325, 43152, 44080, 44175, 44950, 47120, 51243, 53940, 55100, 58900, 66120, 67425, 68324, 70680, 71920, 82650, 85405, 88350, 89900, 102486, 107880, 110200, 117800, 132240, 134850, 136648, 141360, 165300, 170810, 176700, 179800, 204972, 215760, 220400, 235600, 256215, 269700, 273296, 330600, 341620, 353400, 359600, 409944, 427025, 512430, 539400, 661200, 683240, 706800, 819888, 854050, 1024860, 1078800, 1281075, 1366480, 1708100, 2049720, 2562150, 3416200, 4099440, 5124300, 6832400, 10248600, 20497200]

約数ペア:

[(1, 20497200), (2, 10248600), (3, 6832400), (4, 5124300), (5, 4099440), (6, 3416200), (8, 2562150), (10, 2049720), (12, 1708100), (15, 1366480), (16, 1281075), (19, 1078800), (20, 1024860), (24, 854050), (25, 819888), (29, 706800), (30, 683240), (31, 661200), (38, 539400), (40, 512430), (48, 427025), (50, 409944), (57, 359600), (58, 353400), (60, 341620), (62, 330600), (75, 273296), (76, 269700), (80, 256215), (87, 235600), (93, 220400), (95, 215760), (100, 204972), (114, 179800), (116, 176700), (120, 170810), (124, 165300), (145, 141360), (150, 136648), (152, 134850), (155, 132240), (174, 117800), (186, 110200), (190, 107880), (200, 102486), (228, 89900), (232, 88350), (240, 85405), (248, 82650), (285, 71920), (290, 70680), (300, 68324), (304, 67425), (310, 66120), (348, 58900), (372, 55100), (380, 53940), (400, 51243), (435, 47120), (456, 44950), (464, 44175), (465, 44080), (475, 43152), (496, 41325), (551, 37200), (570, 35960), (580, 35340), (589, 34800), (600, 34162), (620, 33060), (696, 29450), (725, 28272), (744, 27550), (760, 26970), (775, 26448), (870, 23560), (899, 22800), (912, 22475), (930, 22040), (950, 21576), (1102, 18600), (1140, 17980), (1160, 17670), (1178, 17400), (1200, 17081), (1240, 16530), (1392, 14725), (1425, 14384), (1450, 14136), (1488, 13775), (1520, 13485), (1550, 13224), (1653, 12400), (1740, 11780), (1767, 11600), (1798, 11400), (1860, 11020), (1900, 10788), (2175, 9424), (2204, 9300), (2280, 8990), (2320, 8835), (2325, 8816), (2356, 8700), (2480, 8265), (2697, 7600), (2755, 7440), (2850, 7192), (2900, 7068), (2945, 6960), (3100, 6612), (3306, 6200), (3480, 5890), (3534, 5800), (3596, 5700), (3720, 5510), (3800, 5394), (4350, 4712), (4408, 4650), (4495, 4560)]