20449898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 17047702

約数列:

[1, 2, 7, 14, 23, 41, 46, 82, 161, 287, 322, 574, 943, 1549, 1886, 3098, 6601, 10843, 13202, 21686, 35627, 63509, 71254, 127018, 249389, 444563, 498778, 889126, 1460707, 2921414, 10224949, 20449898]

約数ペア:

[(1, 20449898), (2, 10224949), (7, 2921414), (14, 1460707), (23, 889126), (41, 498778), (46, 444563), (82, 249389), (161, 127018), (287, 71254), (322, 63509), (574, 35627), (943, 21686), (1549, 13202), (1886, 10843), (3098, 6601)]