20215104

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 168

約数和(自身を含む): 66934080

約数和(自身を除く): 46718976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 89, 91, 96, 104, 112, 156, 168, 169, 178, 182, 192, 208, 224, 267, 273, 312, 336, 338, 356, 364, 416, 448, 507, 534, 546, 623, 624, 672, 676, 712, 728, 832, 1014, 1068, 1092, 1157, 1183, 1246, 1248, 1344, 1352, 1424, 1456, 1869, 2028, 2136, 2184, 2314, 2366, 2492, 2496, 2704, 2848, 2912, 3471, 3549, 3738, 4056, 4272, 4368, 4628, 4732, 4984, 5408, 5696, 5824, 6942, 7098, 7476, 8099, 8112, 8544, 8736, 9256, 9464, 9968, 10816, 13884, 14196, 14952, 15041, 16198, 16224, 17088, 17472, 18512, 18928, 19936, 24297, 27768, 28392, 29904, 30082, 32396, 32448, 37024, 37856, 39872, 45123, 48594, 55536, 56784, 59808, 60164, 64792, 74048, 75712, 90246, 97188, 105287, 111072, 113568, 119616, 120328, 129584, 180492, 194376, 210574, 222144, 227136, 240656, 259168, 315861, 360984, 388752, 421148, 481312, 518336, 631722, 721968, 777504, 842296, 962624, 1263444, 1443936, 1555008, 1684592, 2526888, 2887872, 3369184, 5053776, 6738368, 10107552, 20215104]

約数ペア:

[(1, 20215104), (2, 10107552), (3, 6738368), (4, 5053776), (6, 3369184), (7, 2887872), (8, 2526888), (12, 1684592), (13, 1555008), (14, 1443936), (16, 1263444), (21, 962624), (24, 842296), (26, 777504), (28, 721968), (32, 631722), (39, 518336), (42, 481312), (48, 421148), (52, 388752), (56, 360984), (64, 315861), (78, 259168), (84, 240656), (89, 227136), (91, 222144), (96, 210574), (104, 194376), (112, 180492), (156, 129584), (168, 120328), (169, 119616), (178, 113568), (182, 111072), (192, 105287), (208, 97188), (224, 90246), (267, 75712), (273, 74048), (312, 64792), (336, 60164), (338, 59808), (356, 56784), (364, 55536), (416, 48594), (448, 45123), (507, 39872), (534, 37856), (546, 37024), (623, 32448), (624, 32396), (672, 30082), (676, 29904), (712, 28392), (728, 27768), (832, 24297), (1014, 19936), (1068, 18928), (1092, 18512), (1157, 17472), (1183, 17088), (1246, 16224), (1248, 16198), (1344, 15041), (1352, 14952), (1424, 14196), (1456, 13884), (1869, 10816), (2028, 9968), (2136, 9464), (2184, 9256), (2314, 8736), (2366, 8544), (2492, 8112), (2496, 8099), (2704, 7476), (2848, 7098), (2912, 6942), (3471, 5824), (3549, 5696), (3738, 5408), (4056, 4984), (4272, 4732), (4368, 4628)]