20196864

素因数分解:

$2^9\times 3^4\times {\mathrm{487}}^1$

素因数の和:517

約数の個数: 100

約数和(自身を含む): 60406104

約数和(自身を除く): 40209240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 487, 512, 576, 648, 768, 864, 974, 1152, 1296, 1461, 1536, 1728, 1948, 2304, 2592, 2922, 3456, 3896, 4383, 4608, 5184, 5844, 6912, 7792, 8766, 10368, 11688, 13149, 13824, 15584, 17532, 20736, 23376, 26298, 31168, 35064, 39447, 41472, 46752, 52596, 62336, 70128, 78894, 93504, 105192, 124672, 140256, 157788, 187008, 210384, 249344, 280512, 315576, 374016, 420768, 561024, 631152, 748032, 841536, 1122048, 1262304, 1683072, 2244096, 2524608, 3366144, 5049216, 6732288, 10098432, 20196864]

約数ペア:

[(1, 20196864), (2, 10098432), (3, 6732288), (4, 5049216), (6, 3366144), (8, 2524608), (9, 2244096), (12, 1683072), (16, 1262304), (18, 1122048), (24, 841536), (27, 748032), (32, 631152), (36, 561024), (48, 420768), (54, 374016), (64, 315576), (72, 280512), (81, 249344), (96, 210384), (108, 187008), (128, 157788), (144, 140256), (162, 124672), (192, 105192), (216, 93504), (256, 78894), (288, 70128), (324, 62336), (384, 52596), (432, 46752), (487, 41472), (512, 39447), (576, 35064), (648, 31168), (768, 26298), (864, 23376), (974, 20736), (1152, 17532), (1296, 15584), (1461, 13824), (1536, 13149), (1728, 11688), (1948, 10368), (2304, 8766), (2592, 7792), (2922, 6912), (3456, 5844), (3896, 5184), (4383, 4608)]