20371774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6991}}^1$

素因数の和:7071

約数の個数: 16

約数和(自身を含む): 32219136

約数和(自身を除く): 11847362

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 6991, 13982, 216721, 328577, 433442, 657154, 10185887, 20371774]

約数ペア:

[(1, 20371774), (2, 10185887), (31, 657154), (47, 433442), (62, 328577), (94, 216721), (1457, 13982), (2914, 6991)]