20395008

素因数分解:

$2^{10}\times 3^2\times {\mathrm{2213}}^1$

素因数の和:2239

約数の個数: 66

約数和(自身を含む): 58916754

約数和(自身を除く): 38521746

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, 1024, 1152, 1536, 2213, 2304, 3072, 4426, 4608, 6639, 8852, 9216, 13278, 17704, 19917, 26556, 35408, 39834, 53112, 70816, 79668, 106224, 141632, 159336, 212448, 283264, 318672, 424896, 566528, 637344, 849792, 1133056, 1274688, 1699584, 2266112, 2549376, 3399168, 5098752, 6798336, 10197504, 20395008]

約数ペア:

[(1, 20395008), (2, 10197504), (3, 6798336), (4, 5098752), (6, 3399168), (8, 2549376), (9, 2266112), (12, 1699584), (16, 1274688), (18, 1133056), (24, 849792), (32, 637344), (36, 566528), (48, 424896), (64, 318672), (72, 283264), (96, 212448), (128, 159336), (144, 141632), (192, 106224), (256, 79668), (288, 70816), (384, 53112), (512, 39834), (576, 35408), (768, 26556), (1024, 19917), (1152, 17704), (1536, 13278), (2213, 9216), (2304, 8852), (3072, 6639), (4426, 4608)]