20320788

素因数分解:

$2^2\times 3^1\times {\mathrm{431}}^1\times {\mathrm{3929}}^1$

素因数の和:4367

約数の個数: 24

約数和(自身を含む): 47537280

約数和(自身を除く): 27216492

約数列:

[1, 2, 3, 4, 6, 12, 431, 862, 1293, 1724, 2586, 3929, 5172, 7858, 11787, 15716, 23574, 47148, 1693399, 3386798, 5080197, 6773596, 10160394, 20320788]

約数ペア:

[(1, 20320788), (2, 10160394), (3, 6773596), (4, 5080197), (6, 3386798), (12, 1693399), (431, 47148), (862, 23574), (1293, 15716), (1724, 11787), (2586, 7858), (3929, 5172)]