20768256

素因数分解:

$2^9\times 3^2\times {\mathrm{4507}}^1$

素因数の和:4531

約数の個数: 60

約数和(自身を含む): 59951892

約数和(自身を除く): 39183636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4507, 4608, 9014, 13521, 18028, 27042, 36056, 40563, 54084, 72112, 81126, 108168, 144224, 162252, 216336, 288448, 324504, 432672, 576896, 649008, 865344, 1153792, 1298016, 1730688, 2307584, 2596032, 3461376, 5192064, 6922752, 10384128, 20768256]

約数ペア:

[(1, 20768256), (2, 10384128), (3, 6922752), (4, 5192064), (6, 3461376), (8, 2596032), (9, 2307584), (12, 1730688), (16, 1298016), (18, 1153792), (24, 865344), (32, 649008), (36, 576896), (48, 432672), (64, 324504), (72, 288448), (96, 216336), (128, 162252), (144, 144224), (192, 108168), (256, 81126), (288, 72112), (384, 54084), (512, 40563), (576, 36056), (768, 27042), (1152, 18028), (1536, 13521), (2304, 9014), (4507, 4608)]