20852160

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 224

約数和(自身を含む): 79004160

約数和(自身を除く): 58152000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 107, 112, 116, 120, 140, 145, 160, 168, 174, 192, 203, 210, 214, 224, 232, 240, 280, 290, 320, 321, 336, 348, 406, 420, 428, 435, 448, 464, 480, 535, 560, 580, 609, 642, 672, 696, 749, 812, 840, 856, 870, 928, 960, 1015, 1070, 1120, 1160, 1218, 1284, 1344, 1392, 1498, 1605, 1624, 1680, 1712, 1740, 1856, 2030, 2140, 2240, 2247, 2320, 2436, 2568, 2784, 2996, 3045, 3103, 3210, 3248, 3360, 3424, 3480, 3745, 4060, 4280, 4494, 4640, 4872, 5136, 5568, 5992, 6090, 6206, 6420, 6496, 6720, 6848, 6960, 7490, 8120, 8560, 8988, 9280, 9309, 9744, 10272, 11235, 11984, 12180, 12412, 12840, 12992, 13920, 14980, 15515, 16240, 17120, 17976, 18618, 19488, 20544, 21721, 22470, 23968, 24360, 24824, 25680, 27840, 29960, 31030, 32480, 34240, 35952, 37236, 38976, 43442, 44940, 46545, 47936, 48720, 49648, 51360, 59920, 62060, 64960, 65163, 71904, 74472, 86884, 89880, 93090, 97440, 99296, 102720, 108605, 119840, 124120, 130326, 143808, 148944, 173768, 179760, 186180, 194880, 198592, 217210, 239680, 248240, 260652, 297888, 325815, 347536, 359520, 372360, 434420, 496480, 521304, 595776, 651630, 695072, 719040, 744720, 868840, 992960, 1042608, 1303260, 1390144, 1489440, 1737680, 2085216, 2606520, 2978880, 3475360, 4170432, 5213040, 6950720, 10426080, 20852160]

約数ペア:

[(1, 20852160), (2, 10426080), (3, 6950720), (4, 5213040), (5, 4170432), (6, 3475360), (7, 2978880), (8, 2606520), (10, 2085216), (12, 1737680), (14, 1489440), (15, 1390144), (16, 1303260), (20, 1042608), (21, 992960), (24, 868840), (28, 744720), (29, 719040), (30, 695072), (32, 651630), (35, 595776), (40, 521304), (42, 496480), (48, 434420), (56, 372360), (58, 359520), (60, 347536), (64, 325815), (70, 297888), (80, 260652), (84, 248240), (87, 239680), (96, 217210), (105, 198592), (107, 194880), (112, 186180), (116, 179760), (120, 173768), (140, 148944), (145, 143808), (160, 130326), (168, 124120), (174, 119840), (192, 108605), (203, 102720), (210, 99296), (214, 97440), (224, 93090), (232, 89880), (240, 86884), (280, 74472), (290, 71904), (320, 65163), (321, 64960), (336, 62060), (348, 59920), (406, 51360), (420, 49648), (428, 48720), (435, 47936), (448, 46545), (464, 44940), (480, 43442), (535, 38976), (560, 37236), (580, 35952), (609, 34240), (642, 32480), (672, 31030), (696, 29960), (749, 27840), (812, 25680), (840, 24824), (856, 24360), (870, 23968), (928, 22470), (960, 21721), (1015, 20544), (1070, 19488), (1120, 18618), (1160, 17976), (1218, 17120), (1284, 16240), (1344, 15515), (1392, 14980), (1498, 13920), (1605, 12992), (1624, 12840), (1680, 12412), (1712, 12180), (1740, 11984), (1856, 11235), (2030, 10272), (2140, 9744), (2240, 9309), (2247, 9280), (2320, 8988), (2436, 8560), (2568, 8120), (2784, 7490), (2996, 6960), (3045, 6848), (3103, 6720), (3210, 6496), (3248, 6420), (3360, 6206), (3424, 6090), (3480, 5992), (3745, 5568), (4060, 5136), (4280, 4872), (4494, 4640)]