20249425

素因数分解:

$5^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 28873152

約数和(自身を除く): 8623727

約数列:

[1, 5, 7, 25, 35, 175, 251, 461, 1255, 1757, 2305, 3227, 6275, 8785, 11525, 16135, 43925, 80675, 115711, 578555, 809977, 2892775, 4049885, 20249425]

約数ペア:

[(1, 20249425), (5, 4049885), (7, 2892775), (25, 809977), (35, 578555), (175, 115711), (251, 80675), (461, 43925), (1255, 16135), (1757, 11525), (2305, 8785), (3227, 6275)]