20757376

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 41579280

約数和(自身を除く): 20821904

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 631, 1028, 1262, 2056, 2524, 4112, 5048, 8224, 10096, 16448, 20192, 32896, 40384, 80768, 162167, 324334, 648668, 1297336, 2594672, 5189344, 10378688, 20757376]

約数ペア:

[(1, 20757376), (2, 10378688), (4, 5189344), (8, 2594672), (16, 1297336), (32, 648668), (64, 324334), (128, 162167), (257, 80768), (514, 40384), (631, 32896), (1028, 20192), (1262, 16448), (2056, 10096), (2524, 8224), (4112, 5048)]