20520896

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 56

約数和(自身を含む): 45012864

約数和(自身を除く): 24491968

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 176, 206, 283, 352, 412, 566, 704, 824, 1132, 1133, 1648, 2264, 2266, 3113, 3296, 4528, 4532, 6226, 6592, 9056, 9064, 12452, 18112, 18128, 24904, 29149, 36256, 49808, 58298, 72512, 99616, 116596, 199232, 233192, 320639, 466384, 641278, 932768, 1282556, 1865536, 2565112, 5130224, 10260448, 20520896]

約数ペア:

[(1, 20520896), (2, 10260448), (4, 5130224), (8, 2565112), (11, 1865536), (16, 1282556), (22, 932768), (32, 641278), (44, 466384), (64, 320639), (88, 233192), (103, 199232), (176, 116596), (206, 99616), (283, 72512), (352, 58298), (412, 49808), (566, 36256), (704, 29149), (824, 24904), (1132, 18128), (1133, 18112), (1648, 12452), (2264, 9064), (2266, 9056), (3113, 6592), (3296, 6226), (4528, 4532)]