20294988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{673}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 54351360

約数和(自身を除く): 34056372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 359, 673, 718, 1077, 1346, 1436, 2019, 2154, 2513, 2692, 4038, 4308, 4711, 5026, 7539, 8076, 9422, 10052, 14133, 15078, 18844, 28266, 30156, 56532, 241607, 483214, 724821, 966428, 1449642, 1691249, 2899284, 3382498, 5073747, 6764996, 10147494, 20294988]

約数ペア:

[(1, 20294988), (2, 10147494), (3, 6764996), (4, 5073747), (6, 3382498), (7, 2899284), (12, 1691249), (14, 1449642), (21, 966428), (28, 724821), (42, 483214), (84, 241607), (359, 56532), (673, 30156), (718, 28266), (1077, 18844), (1346, 15078), (1436, 14133), (2019, 10052), (2154, 9422), (2513, 8076), (2692, 7539), (4038, 5026), (4308, 4711)]