20483776

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 56

約数和(自身を含む): 43836336

約数和(自身を除く): 23352560

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 268, 272, 281, 536, 544, 562, 1072, 1088, 1124, 1139, 2144, 2248, 2278, 4288, 4496, 4556, 4777, 8992, 9112, 9554, 17984, 18224, 18827, 19108, 36448, 37654, 38216, 72896, 75308, 76432, 150616, 152864, 301232, 305728, 320059, 602464, 640118, 1204928, 1280236, 2560472, 5120944, 10241888, 20483776]

約数ペア:

[(1, 20483776), (2, 10241888), (4, 5120944), (8, 2560472), (16, 1280236), (17, 1204928), (32, 640118), (34, 602464), (64, 320059), (67, 305728), (68, 301232), (134, 152864), (136, 150616), (268, 76432), (272, 75308), (281, 72896), (536, 38216), (544, 37654), (562, 36448), (1072, 19108), (1088, 18827), (1124, 18224), (1139, 17984), (2144, 9554), (2248, 9112), (2278, 8992), (4288, 4777), (4496, 4556)]