20963631

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 31790640

約数和(自身を除く): 10827009

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1489, 4467, 4693, 14079, 19357, 28291, 58071, 84873, 367783, 537529, 1103349, 1612587, 6987877, 20963631]

約数ペア:

[(1, 20963631), (3, 6987877), (13, 1612587), (19, 1103349), (39, 537529), (57, 367783), (247, 84873), (361, 58071), (741, 28291), (1083, 19357), (1489, 14079), (4467, 4693)]