13307900420

素因数分解:

$2^2\times 5^1\times {\mathrm{665395021}}^1$

素因数の和:665395030

約数の個数: 12

約数和(自身を含む): 27946590924

約数和(自身を除く): 14638690504

約数列:

[1, 2, 4, 5, 10, 20, 665395021, 1330790042, 2661580084, 3326975105, 6653950210, 13307900420]

約数ペア:

[(1, 13307900420), (2, 6653950210), (4, 3326975105), (5, 2661580084), (10, 1330790042), (20, 665395021)]