20212864

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1365

約数の個数: 64

約数和(自身を含む): 48764160

約数和(自身を除く): 28551296

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1327, 1904, 2176, 2654, 3808, 5308, 7616, 9289, 10616, 15232, 18578, 21232, 22559, 37156, 42464, 45118, 74312, 84928, 90236, 148624, 157913, 169856, 180472, 297248, 315826, 360944, 594496, 631652, 721888, 1188992, 1263304, 1443776, 2526608, 2887552, 5053216, 10106432, 20212864]

約数ペア:

[(1, 20212864), (2, 10106432), (4, 5053216), (7, 2887552), (8, 2526608), (14, 1443776), (16, 1263304), (17, 1188992), (28, 721888), (32, 631652), (34, 594496), (56, 360944), (64, 315826), (68, 297248), (112, 180472), (119, 169856), (128, 157913), (136, 148624), (224, 90236), (238, 84928), (272, 74312), (448, 45118), (476, 42464), (544, 37156), (896, 22559), (952, 21232), (1088, 18578), (1327, 15232), (1904, 10616), (2176, 9289), (2654, 7616), (3808, 5308)]