20455526

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17864602

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1583, 1846, 3166, 6461, 11081, 12922, 20579, 22162, 41158, 112393, 144053, 224786, 288106, 786751, 1461109, 1573502, 2922218, 10227763, 20455526]

約数ペア:

[(1, 20455526), (2, 10227763), (7, 2922218), (13, 1573502), (14, 1461109), (26, 786751), (71, 288106), (91, 224786), (142, 144053), (182, 112393), (497, 41158), (923, 22162), (994, 20579), (1583, 12922), (1846, 11081), (3166, 6461)]