20587392

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 74419200

約数和(自身を除く): 53831808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 37, 42, 46, 48, 54, 56, 63, 64, 69, 72, 74, 84, 92, 96, 108, 111, 112, 126, 128, 138, 144, 148, 161, 168, 184, 189, 192, 207, 216, 222, 224, 252, 259, 276, 288, 296, 322, 333, 336, 368, 378, 384, 414, 432, 444, 448, 483, 504, 518, 552, 576, 592, 621, 644, 666, 672, 736, 756, 777, 828, 851, 864, 888, 896, 966, 999, 1008, 1036, 1104, 1152, 1184, 1242, 1288, 1332, 1344, 1449, 1472, 1512, 1554, 1656, 1702, 1728, 1776, 1932, 1998, 2016, 2072, 2208, 2331, 2368, 2484, 2553, 2576, 2664, 2688, 2898, 2944, 3024, 3108, 3312, 3404, 3456, 3552, 3864, 3996, 4032, 4144, 4347, 4416, 4662, 4736, 4968, 5106, 5152, 5328, 5796, 5957, 6048, 6216, 6624, 6808, 6993, 7104, 7659, 7728, 7992, 8064, 8288, 8694, 8832, 9324, 9936, 10212, 10304, 10656, 11592, 11914, 12096, 12432, 13248, 13616, 13986, 14208, 15318, 15456, 15984, 16576, 17388, 17871, 18648, 19872, 20424, 20608, 21312, 22977, 23184, 23828, 24192, 24864, 26496, 27232, 27972, 30636, 30912, 31968, 33152, 34776, 35742, 37296, 39744, 40848, 42624, 45954, 46368, 47656, 49728, 53613, 54464, 55944, 61272, 61824, 63936, 69552, 71484, 74592, 79488, 81696, 91908, 92736, 95312, 99456, 107226, 108928, 111888, 122544, 127872, 139104, 142968, 149184, 160839, 163392, 183816, 185472, 190624, 214452, 223776, 245088, 278208, 285936, 298368, 321678, 326784, 367632, 381248, 428904, 447552, 490176, 556416, 571872, 643356, 735264, 762496, 857808, 895104, 980352, 1143744, 1286712, 1470528, 1715616, 2287488, 2573424, 2941056, 3431232, 5146848, 6862464, 10293696, 20587392]

約数ペア:

[(1, 20587392), (2, 10293696), (3, 6862464), (4, 5146848), (6, 3431232), (7, 2941056), (8, 2573424), (9, 2287488), (12, 1715616), (14, 1470528), (16, 1286712), (18, 1143744), (21, 980352), (23, 895104), (24, 857808), (27, 762496), (28, 735264), (32, 643356), (36, 571872), (37, 556416), (42, 490176), (46, 447552), (48, 428904), (54, 381248), (56, 367632), (63, 326784), (64, 321678), (69, 298368), (72, 285936), (74, 278208), (84, 245088), (92, 223776), (96, 214452), (108, 190624), (111, 185472), (112, 183816), (126, 163392), (128, 160839), (138, 149184), (144, 142968), (148, 139104), (161, 127872), (168, 122544), (184, 111888), (189, 108928), (192, 107226), (207, 99456), (216, 95312), (222, 92736), (224, 91908), (252, 81696), (259, 79488), (276, 74592), (288, 71484), (296, 69552), (322, 63936), (333, 61824), (336, 61272), (368, 55944), (378, 54464), (384, 53613), (414, 49728), (432, 47656), (444, 46368), (448, 45954), (483, 42624), (504, 40848), (518, 39744), (552, 37296), (576, 35742), (592, 34776), (621, 33152), (644, 31968), (666, 30912), (672, 30636), (736, 27972), (756, 27232), (777, 26496), (828, 24864), (851, 24192), (864, 23828), (888, 23184), (896, 22977), (966, 21312), (999, 20608), (1008, 20424), (1036, 19872), (1104, 18648), (1152, 17871), (1184, 17388), (1242, 16576), (1288, 15984), (1332, 15456), (1344, 15318), (1449, 14208), (1472, 13986), (1512, 13616), (1554, 13248), (1656, 12432), (1702, 12096), (1728, 11914), (1776, 11592), (1932, 10656), (1998, 10304), (2016, 10212), (2072, 9936), (2208, 9324), (2331, 8832), (2368, 8694), (2484, 8288), (2553, 8064), (2576, 7992), (2664, 7728), (2688, 7659), (2898, 7104), (2944, 6993), (3024, 6808), (3108, 6624), (3312, 6216), (3404, 6048), (3456, 5957), (3552, 5796), (3864, 5328), (3996, 5152), (4032, 5106), (4144, 4968), (4347, 4736), (4416, 4662)]