20789286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21521}}^1$

素因数の和:21556

約数の個数: 32

約数和(自身を含む): 49586688

約数和(自身を除く): 28797402

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21521, 43042, 64563, 129126, 150647, 301294, 451941, 494983, 903882, 989966, 1484949, 2969898, 3464881, 6929762, 10394643, 20789286]

約数ペア:

[(1, 20789286), (2, 10394643), (3, 6929762), (6, 3464881), (7, 2969898), (14, 1484949), (21, 989966), (23, 903882), (42, 494983), (46, 451941), (69, 301294), (138, 150647), (161, 129126), (322, 64563), (483, 43042), (966, 21521)]