20538196

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2789}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 20709164

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2789, 3682, 5578, 7364, 11156, 19523, 39046, 78092, 733507, 1467014, 2934028, 5134549, 10269098, 20538196]

約数ペア:

[(1, 20538196), (2, 10269098), (4, 5134549), (7, 2934028), (14, 1467014), (28, 733507), (263, 78092), (526, 39046), (1052, 19523), (1841, 11156), (2789, 7364), (3682, 5578)]