20508717219

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1\times {\mathrm{3863}}^1$

素因数の和:4427

約数の個数: 32

約数和(自身を含む): 28280523264

約数和(自身を除く): 7771806045

約数列:

[1, 3, 61, 67, 183, 201, 433, 1299, 3863, 4087, 11589, 12261, 26413, 29011, 79239, 87033, 235643, 258821, 706929, 776463, 1672679, 1769671, 5018037, 5309013, 15788081, 47364243, 102033419, 112069493, 306100257, 336208479, 6836239073, 20508717219]

約数ペア:

[(1, 20508717219), (3, 6836239073), (61, 336208479), (67, 306100257), (183, 112069493), (201, 102033419), (433, 47364243), (1299, 15788081), (3863, 5309013), (4087, 5018037), (11589, 1769671), (12261, 1672679), (26413, 776463), (29011, 706929), (79239, 258821), (87033, 235643)]