20683904

素因数分解:

$2^7\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 41424240

約数和(自身を除く): 20740336

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 283, 566, 571, 1132, 1142, 2264, 2284, 4528, 4568, 9056, 9136, 18112, 18272, 36224, 36544, 73088, 161593, 323186, 646372, 1292744, 2585488, 5170976, 10341952, 20683904]

約数ペア:

[(1, 20683904), (2, 10341952), (4, 5170976), (8, 2585488), (16, 1292744), (32, 646372), (64, 323186), (128, 161593), (283, 73088), (566, 36544), (571, 36224), (1132, 18272), (1142, 18112), (2264, 9136), (2284, 9056), (4528, 4568)]