20958678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89567}}^1$

素因数の和:89588

約数の個数: 24

約数和(自身を含む): 48904128

約数和(自身を除く): 27945450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89567, 179134, 268701, 537402, 806103, 1164371, 1612206, 2328742, 3493113, 6986226, 10479339, 20958678]

約数ペア:

[(1, 20958678), (2, 10479339), (3, 6986226), (6, 3493113), (9, 2328742), (13, 1612206), (18, 1164371), (26, 806103), (39, 537402), (78, 268701), (117, 179134), (234, 89567)]