16720938

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23819}}^1$

素因数の和:23843

約数の個数: 32

約数和(自身を含む): 40017600

約数和(自身を除く): 23296662

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 23819, 47638, 71457, 142914, 214371, 309647, 428742, 619294, 643113, 928941, 1286226, 1857882, 2786823, 5573646, 8360469, 16720938]

約数ペア:

[(1, 16720938), (2, 8360469), (3, 5573646), (6, 2786823), (9, 1857882), (13, 1286226), (18, 928941), (26, 643113), (27, 619294), (39, 428742), (54, 309647), (78, 214371), (117, 142914), (234, 71457), (351, 47638), (702, 23819)]