20758203

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{521}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 31758480

約数和(自身を除く): 11000277

約数列:

[1, 3, 9, 19, 57, 171, 233, 521, 699, 1563, 2097, 4427, 4689, 9899, 13281, 29697, 39843, 89091, 121393, 364179, 1092537, 2306467, 6919401, 20758203]

約数ペア:

[(1, 20758203), (3, 6919401), (9, 2306467), (19, 1092537), (57, 364179), (171, 121393), (233, 89091), (521, 39843), (699, 29697), (1563, 13281), (2097, 9899), (4427, 4689)]