20291639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 22548480

約数和(自身を除く): 2256841

約数列:

[1, 19, 31, 47, 589, 733, 893, 1457, 13927, 22723, 27683, 34451, 431737, 654569, 1067981, 20291639]

約数ペア:

[(1, 20291639), (19, 1067981), (31, 654569), (47, 431737), (589, 34451), (733, 27683), (893, 22723), (1457, 13927)]