20175147891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{7549}}^1\times {\mathrm{15629}}^1$

素因数の和:23203

約数の個数: 24

約数和(自身を含む): 30681690000

約数和(自身を除く): 10506542109

約数列:

[1, 3, 9, 19, 57, 171, 7549, 15629, 22647, 46887, 67941, 140661, 143431, 296951, 430293, 890853, 1290879, 2672559, 117983321, 353949963, 1061849889, 2241683099, 6725049297, 20175147891]

約数ペア:

[(1, 20175147891), (3, 6725049297), (9, 2241683099), (19, 1061849889), (57, 353949963), (171, 117983321), (7549, 2672559), (15629, 1290879), (22647, 890853), (46887, 430293), (67941, 296951), (140661, 143431)]