20071689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4643}}^1$

素因数の和:4788

約数の個数: 16

約数和(自身を含む): 29424384

約数和(自身を除く): 9352695

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4643, 13929, 51073, 153219, 608233, 1824699, 6690563, 20071689]

約数ペア:

[(1, 20071689), (3, 6690563), (11, 1824699), (33, 608233), (131, 153219), (393, 51073), (1441, 13929), (4323, 4643)]