20830491

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12377}}^1$

素因数の和:12411

約数の個数: 24

約数和(自身を含む): 34757424

約数和(自身を除く): 13926933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12377, 37131, 111393, 136147, 210409, 408441, 631227, 1225323, 1893681, 2314499, 6943497, 20830491]

約数ペア:

[(1, 20830491), (3, 6943497), (9, 2314499), (11, 1893681), (17, 1225323), (33, 631227), (51, 408441), (99, 210409), (153, 136147), (187, 111393), (561, 37131), (1683, 12377)]