20189954885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4481677}}^1$

素因数の和:4481752

約数の個数: 16

約数和(自身を含む): 26137146096

約数和(自身を除く): 5947191211

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 4481677, 22408385, 76188509, 237528881, 380942545, 1187644405, 4037990977, 20189954885]

約数ペア:

[(1, 20189954885), (5, 4037990977), (17, 1187644405), (53, 380942545), (85, 237528881), (265, 76188509), (901, 22408385), (4505, 4481677)]