20346891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1327}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 28684800

約数和(自身を除く): 8337909

約数列:

[1, 3, 19, 57, 269, 807, 1327, 3981, 5111, 15333, 25213, 75639, 356963, 1070889, 6782297, 20346891]

約数ペア:

[(1, 20346891), (3, 6782297), (19, 1070889), (57, 356963), (269, 75639), (807, 25213), (1327, 15333), (3981, 5111)]