20730800

素因数分解:

$2^4\times 5^2\times {\mathrm{51827}}^1$

素因数の和:51845

約数の個数: 30

約数和(自身を含む): 49806708

約数和(自身を除く): 29075908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51827, 103654, 207308, 259135, 414616, 518270, 829232, 1036540, 1295675, 2073080, 2591350, 4146160, 5182700, 10365400, 20730800]

約数ペア:

[(1, 20730800), (2, 10365400), (4, 5182700), (5, 4146160), (8, 2591350), (10, 2073080), (16, 1295675), (20, 1036540), (25, 829232), (40, 518270), (50, 414616), (80, 259135), (100, 207308), (200, 103654), (400, 51827)]