13205860

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{839}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 27800640

約数和(自身を除く): 14594780

約数列:

[1, 2, 4, 5, 10, 20, 787, 839, 1574, 1678, 3148, 3356, 3935, 4195, 7870, 8390, 15740, 16780, 660293, 1320586, 2641172, 3301465, 6602930, 13205860]

約数ペア:

[(1, 13205860), (2, 6602930), (4, 3301465), (5, 2641172), (10, 1320586), (20, 660293), (787, 16780), (839, 15740), (1574, 8390), (1678, 7870), (3148, 4195), (3356, 3935)]