20191654

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 36656640

約数和(自身を除く): 16464986

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 859, 1022, 1679, 1718, 3358, 6013, 11753, 12026, 19757, 23506, 39514, 62707, 125414, 138299, 276598, 438949, 877898, 1442261, 2884522, 10095827, 20191654]

約数ペア:

[(1, 20191654), (2, 10095827), (7, 2884522), (14, 1442261), (23, 877898), (46, 438949), (73, 276598), (146, 138299), (161, 125414), (322, 62707), (511, 39514), (859, 23506), (1022, 19757), (1679, 12026), (1718, 11753), (3358, 6013)]