20890766

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3300

約数の個数: 24

約数和(自身を含む): 35728920

約数和(自身を除く): 14838154

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 3253, 6422, 6506, 42289, 61807, 84578, 123614, 549757, 803491, 1099514, 1606982, 10445383, 20890766]

約数ペア:

[(1, 20890766), (2, 10445383), (13, 1606982), (19, 1099514), (26, 803491), (38, 549757), (169, 123614), (247, 84578), (338, 61807), (494, 42289), (3211, 6506), (3253, 6422)]