200820191

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 243326160

約数和(自身を除く): 42505969

約数列:

[1, 11, 13, 43, 121, 143, 473, 559, 1573, 2969, 5203, 6149, 32659, 38597, 67639, 127667, 359249, 424567, 1404337, 1659671, 4670237, 15447707, 18256381, 200820191]

約数ペア:

[(1, 200820191), (11, 18256381), (13, 15447707), (43, 4670237), (121, 1659671), (143, 1404337), (473, 424567), (559, 359249), (1573, 127667), (2969, 67639), (5203, 38597), (6149, 32659)]