20996957536

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{73883}}^1$

素因数の和:74083

約数の個数: 48

約数和(自身を含む): 42227365824

約数和(自身を除く): 21230408288

約数列:

[1, 2, 4, 8, 16, 32, 83, 107, 166, 214, 332, 428, 664, 856, 1328, 1712, 2656, 3424, 8881, 17762, 35524, 71048, 73883, 142096, 147766, 284192, 295532, 591064, 1182128, 2364256, 6132289, 7905481, 12264578, 15810962, 24529156, 31621924, 49058312, 63243848, 98116624, 126487696, 196233248, 252975392, 656154923, 1312309846, 2624619692, 5249239384, 10498478768, 20996957536]

約数ペア:

[(1, 20996957536), (2, 10498478768), (4, 5249239384), (8, 2624619692), (16, 1312309846), (32, 656154923), (83, 252975392), (107, 196233248), (166, 126487696), (214, 98116624), (332, 63243848), (428, 49058312), (664, 31621924), (856, 24529156), (1328, 15810962), (1712, 12264578), (2656, 7905481), (3424, 6132289), (8881, 2364256), (17762, 1182128), (35524, 591064), (71048, 295532), (73883, 284192), (142096, 147766)]