20419584

素因数分解:

$2^{10}\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 132

約数和(自身を含む): 60329184

約数和(自身を除く): 39909600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 32, 34, 46, 48, 51, 64, 68, 69, 92, 96, 102, 128, 136, 138, 184, 192, 204, 256, 272, 276, 289, 368, 384, 391, 408, 512, 544, 552, 578, 736, 768, 782, 816, 867, 1024, 1088, 1104, 1156, 1173, 1472, 1536, 1564, 1632, 1734, 2176, 2208, 2312, 2346, 2944, 3072, 3128, 3264, 3468, 4352, 4416, 4624, 4692, 5888, 6256, 6528, 6647, 6936, 8704, 8832, 9248, 9384, 11776, 12512, 13056, 13294, 13872, 17408, 17664, 18496, 18768, 19941, 23552, 25024, 26112, 26588, 27744, 35328, 36992, 37536, 39882, 50048, 52224, 53176, 55488, 70656, 73984, 75072, 79764, 100096, 106352, 110976, 147968, 150144, 159528, 200192, 212704, 221952, 295936, 300288, 319056, 400384, 425408, 443904, 600576, 638112, 850816, 887808, 1201152, 1276224, 1701632, 2552448, 3403264, 5104896, 6806528, 10209792, 20419584]

約数ペア:

[(1, 20419584), (2, 10209792), (3, 6806528), (4, 5104896), (6, 3403264), (8, 2552448), (12, 1701632), (16, 1276224), (17, 1201152), (23, 887808), (24, 850816), (32, 638112), (34, 600576), (46, 443904), (48, 425408), (51, 400384), (64, 319056), (68, 300288), (69, 295936), (92, 221952), (96, 212704), (102, 200192), (128, 159528), (136, 150144), (138, 147968), (184, 110976), (192, 106352), (204, 100096), (256, 79764), (272, 75072), (276, 73984), (289, 70656), (368, 55488), (384, 53176), (391, 52224), (408, 50048), (512, 39882), (544, 37536), (552, 36992), (578, 35328), (736, 27744), (768, 26588), (782, 26112), (816, 25024), (867, 23552), (1024, 19941), (1088, 18768), (1104, 18496), (1156, 17664), (1173, 17408), (1472, 13872), (1536, 13294), (1564, 13056), (1632, 12512), (1734, 11776), (2176, 9384), (2208, 9248), (2312, 8832), (2346, 8704), (2944, 6936), (3072, 6647), (3128, 6528), (3264, 6256), (3468, 5888), (4352, 4692), (4416, 4624)]