20424145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30713}}^1$

素因数の和:30744

約数の個数: 16

約数和(自身を含む): 29485440

約数和(自身を除く): 9061295

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30713, 153565, 214991, 583547, 1074955, 2917735, 4084829, 20424145]

約数ペア:

[(1, 20424145), (5, 4084829), (7, 2917735), (19, 1074955), (35, 583547), (95, 214991), (133, 153565), (665, 30713)]