20955441

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31607}}^1$

素因数の和:31640

約数の個数: 16

約数和(自身を含む): 31860864

約数和(自身を除く): 10905423

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31607, 94821, 410891, 537319, 1232673, 1611957, 6985147, 20955441]

約数ペア:

[(1, 20955441), (3, 6985147), (13, 1611957), (17, 1232673), (39, 537319), (51, 410891), (221, 94821), (663, 31607)]