20565862455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{580219}}^1$

素因数の和:580383

約数の個数: 32

約数和(自身を含む): 35091705600

約数和(自身を除く): 14525843145

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 2085, 2363, 7089, 11815, 35445, 580219, 1740657, 2901095, 8703285, 9863723, 29591169, 49318615, 80650441, 147955845, 241951323, 403252205, 1209756615, 1371057497, 4113172491, 6855287485, 20565862455]

約数ペア:

[(1, 20565862455), (3, 6855287485), (5, 4113172491), (15, 1371057497), (17, 1209756615), (51, 403252205), (85, 241951323), (139, 147955845), (255, 80650441), (417, 49318615), (695, 29591169), (2085, 9863723), (2363, 8703285), (7089, 2901095), (11815, 1740657), (35445, 580219)]