20213304725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47560717}}^1$

素因数の和:47560744

約数の個数: 12

約数和(自身を含む): 26538880644

約数和(自身を除く): 6325575919

約数列:

[1, 5, 17, 25, 85, 425, 47560717, 237803585, 808532189, 1189017925, 4042660945, 20213304725]

約数ペア:

[(1, 20213304725), (5, 4042660945), (17, 1189017925), (25, 808532189), (85, 237803585), (425, 47560717)]