20155538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4481}}^1$

素因数の和:4669

約数の個数: 16

約数和(自身を含む): 32754456

約数和(自身を除く): 12598918

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4481, 4498, 8962, 58253, 116506, 775213, 1550426, 10077769, 20155538]

約数ペア:

[(1, 20155538), (2, 10077769), (13, 1550426), (26, 775213), (173, 116506), (346, 58253), (2249, 8962), (4481, 4498)]