20305035

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{691}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 35300304

約数和(自身を除く): 14995269

約数列:

[1, 3, 5, 9, 15, 45, 653, 691, 1959, 2073, 3265, 3455, 5877, 6219, 9795, 10365, 29385, 31095, 451223, 1353669, 2256115, 4061007, 6768345, 20305035]

約数ペア:

[(1, 20305035), (3, 6768345), (5, 4061007), (9, 2256115), (15, 1353669), (45, 451223), (653, 31095), (691, 29385), (1959, 10365), (2073, 9795), (3265, 6219), (3455, 5877)]