20988023

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 25893504

約数和(自身を除く): 4905481

約数列:

[1, 7, 31, 41, 49, 217, 287, 337, 1271, 1519, 2009, 2359, 8897, 10447, 13817, 16513, 62279, 73129, 96719, 428327, 511903, 677033, 2998289, 20988023]

約数ペア:

[(1, 20988023), (7, 2998289), (31, 677033), (41, 511903), (49, 428327), (217, 96719), (287, 73129), (337, 62279), (1271, 16513), (1519, 13817), (2009, 10447), (2359, 8897)]