20201232897

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3512647}}^1$

素因数の和:3512730

約数の個数: 20

約数和(自身を含む): 30602189376

約数和(自身を除く): 10400956479

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 3512647, 10537941, 31613823, 94841469, 249397937, 284524407, 748193811, 2244581433, 6733744299, 20201232897]

約数ペア:

[(1, 20201232897), (3, 6733744299), (9, 2244581433), (27, 748193811), (71, 284524407), (81, 249397937), (213, 94841469), (639, 31613823), (1917, 10537941), (5751, 3512647)]