20512238479

素因数分解:

${\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1\times {\mathrm{1123}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 20792920960

約数和(自身を除く): 280682481

約数列:

[1, 139, 331, 397, 1123, 46009, 55183, 131407, 156097, 371713, 445831, 18265573, 51668107, 61970509, 147570061, 20512238479]

約数ペア:

[(1, 20512238479), (139, 147570061), (331, 61970509), (397, 51668107), (1123, 18265573), (46009, 445831), (55183, 371713), (131407, 156097)]