20598448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{593}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 22711280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 593, 668, 1186, 1336, 2171, 2372, 2672, 4342, 4744, 7709, 8684, 9488, 15418, 17368, 30836, 34736, 61672, 99031, 123344, 198062, 396124, 792248, 1287403, 1584496, 2574806, 5149612, 10299224, 20598448]

約数ペア:

[(1, 20598448), (2, 10299224), (4, 5149612), (8, 2574806), (13, 1584496), (16, 1287403), (26, 792248), (52, 396124), (104, 198062), (167, 123344), (208, 99031), (334, 61672), (593, 34736), (668, 30836), (1186, 17368), (1336, 15418), (2171, 9488), (2372, 8684), (2672, 7709), (4342, 4744)]