20163325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8863}}^1$

素因数の和:8893

約数の個数: 24

約数和(自身を含む): 30775808

約数和(自身を除く): 10612483

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8863, 44315, 62041, 115219, 221575, 310205, 576095, 806533, 1551025, 2880475, 4032665, 20163325]

約数ペア:

[(1, 20163325), (5, 4032665), (7, 2880475), (13, 1551025), (25, 806533), (35, 576095), (65, 310205), (91, 221575), (175, 115219), (325, 62041), (455, 44315), (2275, 8863)]