20557482

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 47029248

約数和(自身を除く): 26471766

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 71, 82, 107, 123, 142, 213, 214, 246, 321, 426, 451, 642, 781, 902, 1177, 1353, 1562, 2343, 2354, 2706, 2911, 3531, 4387, 4686, 5822, 7062, 7597, 8733, 8774, 13161, 15194, 17466, 22791, 26322, 32021, 45582, 48257, 64042, 83567, 96063, 96514, 144771, 167134, 192126, 250701, 289542, 311477, 501402, 622954, 934431, 1868862, 3426247, 6852494, 10278741, 20557482]

約数ペア:

[(1, 20557482), (2, 10278741), (3, 6852494), (6, 3426247), (11, 1868862), (22, 934431), (33, 622954), (41, 501402), (66, 311477), (71, 289542), (82, 250701), (107, 192126), (123, 167134), (142, 144771), (213, 96514), (214, 96063), (246, 83567), (321, 64042), (426, 48257), (451, 45582), (642, 32021), (781, 26322), (902, 22791), (1177, 17466), (1353, 15194), (1562, 13161), (2343, 8774), (2354, 8733), (2706, 7597), (2911, 7062), (3531, 5822), (4387, 4686)]