20148425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 27935712

約数和(自身を除く): 7787287

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1787, 2255, 8935, 11275, 19657, 44675, 73267, 98285, 366335, 491425, 805937, 1831675, 4029685, 20148425]

約数ペア:

[(1, 20148425), (5, 4029685), (11, 1831675), (25, 805937), (41, 491425), (55, 366335), (205, 98285), (275, 73267), (451, 44675), (1025, 19657), (1787, 11275), (2255, 8935)]