20437407

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39839}}^1$

素因数の和:39867

約数の個数: 16

約数和(自身を含む): 31872000

約数和(自身を除く): 11434593

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39839, 119517, 358551, 756941, 1075653, 2270823, 6812469, 20437407]

約数ペア:

[(1, 20437407), (3, 6812469), (9, 2270823), (19, 1075653), (27, 756941), (57, 358551), (171, 119517), (513, 39839)]