6720020

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1213}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 14174664

約数和(自身を除く): 7454644

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1213, 1385, 2426, 2770, 4852, 5540, 6065, 12130, 24260, 336001, 672002, 1344004, 1680005, 3360010, 6720020]

約数ペア:

[(1, 6720020), (2, 3360010), (4, 1680005), (5, 1344004), (10, 672002), (20, 336001), (277, 24260), (554, 12130), (1108, 6065), (1213, 5540), (1385, 4852), (2426, 2770)]