19769960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70607}}^1$

素因数の和:70625

約数の個数: 32

約数和(自身を含む): 50837760

約数和(自身を除く): 31067800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70607, 141214, 282428, 353035, 494249, 564856, 706070, 988498, 1412140, 1976996, 2471245, 2824280, 3953992, 4942490, 9884980, 19769960]

約数ペア:

[(1, 19769960), (2, 9884980), (4, 4942490), (5, 3953992), (7, 2824280), (8, 2471245), (10, 1976996), (14, 1412140), (20, 988498), (28, 706070), (35, 564856), (40, 494249), (56, 353035), (70, 282428), (140, 141214), (280, 70607)]