20537647521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1\times {\mathrm{363119}}^1$

素因数の和:364248

約数の個数: 16

約数和(自身を含む): 29020550400

約数和(自身を除く): 8482902879

約数列:

[1, 3, 17, 51, 1109, 3327, 18853, 56559, 363119, 1089357, 6173023, 18519069, 402698971, 1208096913, 6845882507, 20537647521]

約数ペア:

[(1, 20537647521), (3, 6845882507), (17, 1208096913), (51, 402698971), (1109, 18519069), (3327, 6173023), (18853, 1089357), (56559, 363119)]