20053047

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56171}}^1$

素因数の和:56198

約数の個数: 16

約数和(自身を含む): 32355072

約数和(自身を除く): 12302025

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56171, 168513, 393197, 954907, 1179591, 2864721, 6684349, 20053047]

約数ペア:

[(1, 20053047), (3, 6684349), (7, 2864721), (17, 1179591), (21, 954907), (51, 393197), (119, 168513), (357, 56171)]