20379800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14557}}^1$

素因数の和:14580

約数の個数: 48

約数和(自身を含む): 54155760

約数和(自身を除く): 33775960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14557, 29114, 58228, 72785, 101899, 116456, 145570, 203798, 291140, 363925, 407596, 509495, 582280, 727850, 815192, 1018990, 1455700, 2037980, 2547475, 2911400, 4075960, 5094950, 10189900, 20379800]

約数ペア:

[(1, 20379800), (2, 10189900), (4, 5094950), (5, 4075960), (7, 2911400), (8, 2547475), (10, 2037980), (14, 1455700), (20, 1018990), (25, 815192), (28, 727850), (35, 582280), (40, 509495), (50, 407596), (56, 363925), (70, 291140), (100, 203798), (140, 145570), (175, 116456), (200, 101899), (280, 72785), (350, 58228), (700, 29114), (1400, 14557)]