20118891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1429}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 30510480

約数和(自身を除く): 10391589

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1429, 4287, 4693, 14079, 18577, 27151, 55731, 81453, 352963, 515869, 1058889, 1547607, 6706297, 20118891]

約数ペア:

[(1, 20118891), (3, 6706297), (13, 1547607), (19, 1058889), (39, 515869), (57, 352963), (247, 81453), (361, 55731), (741, 27151), (1083, 18577), (1429, 14079), (4287, 4693)]