20500250

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 39289536

約数和(自身を除く): 18789286

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 1907, 2150, 3814, 5375, 9535, 10750, 19070, 47675, 82001, 95350, 164002, 238375, 410005, 476750, 820010, 2050025, 4100050, 10250125, 20500250]

約数ペア:

[(1, 20500250), (2, 10250125), (5, 4100050), (10, 2050025), (25, 820010), (43, 476750), (50, 410005), (86, 238375), (125, 164002), (215, 95350), (250, 82001), (430, 47675), (1075, 19070), (1907, 10750), (2150, 9535), (3814, 5375)]