20452719

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5441}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 31345920

約数和(自身を除く): 10893201

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 5441, 16323, 38087, 114261, 973939, 2921817, 6817573, 20452719]

約数ペア:

[(1, 20452719), (3, 6817573), (7, 2921817), (21, 973939), (179, 114261), (537, 38087), (1253, 16323), (3759, 5441)]