20216448025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{284839}}^1$

素因数の和:285033

約数の個数: 24

約数和(自身を含む): 26702040960

約数和(自身を除く): 6485592935

約数列:

[1, 5, 17, 25, 85, 167, 425, 835, 2839, 4175, 14195, 70975, 284839, 1424195, 4842263, 7120975, 24211315, 47568113, 121056575, 237840565, 808657921, 1189202825, 4043289605, 20216448025]

約数ペア:

[(1, 20216448025), (5, 4043289605), (17, 1189202825), (25, 808657921), (85, 237840565), (167, 121056575), (425, 47568113), (835, 24211315), (2839, 7120975), (4175, 4842263), (14195, 1424195), (70975, 284839)]