20783187

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 31039008

約数和(自身を除く): 10255821

約数列:

[1, 3, 9, 41, 123, 151, 369, 373, 453, 1119, 1359, 3357, 6191, 15293, 18573, 45879, 55719, 56323, 137637, 168969, 506907, 2309243, 6927729, 20783187]

約数ペア:

[(1, 20783187), (3, 6927729), (9, 2309243), (41, 506907), (123, 168969), (151, 137637), (369, 56323), (373, 55719), (453, 45879), (1119, 18573), (1359, 15293), (3357, 6191)]