20813595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126143}}^1$

素因数の和:126162

約数の個数: 16

約数和(自身を含む): 36329472

約数和(自身を除く): 15515877

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126143, 378429, 630715, 1387573, 1892145, 4162719, 6937865, 20813595]

約数ペア:

[(1, 20813595), (3, 6937865), (5, 4162719), (11, 1892145), (15, 1387573), (33, 630715), (55, 378429), (165, 126143)]