20129679

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 9747441

約数列:

[1, 3, 9, 59, 167, 177, 227, 501, 531, 681, 1503, 2043, 9853, 13393, 29559, 37909, 40179, 88677, 113727, 120537, 341181, 2236631, 6709893, 20129679]

約数ペア:

[(1, 20129679), (3, 6709893), (9, 2236631), (59, 341181), (167, 120537), (177, 113727), (227, 88677), (501, 40179), (531, 37909), (681, 29559), (1503, 13393), (2043, 9853)]