22420775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 30206400

約数和(自身を除く): 7785625

約数列:

[1, 5, 13, 25, 65, 149, 325, 463, 745, 1937, 2315, 3725, 6019, 9685, 11575, 30095, 48425, 68987, 150475, 344935, 896831, 1724675, 4484155, 22420775]

約数ペア:

[(1, 22420775), (5, 4484155), (13, 1724675), (25, 896831), (65, 344935), (149, 150475), (325, 68987), (463, 48425), (745, 30095), (1937, 11575), (2315, 9685), (3725, 6019)]