20115129

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{983}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8224071

約数列:

[1, 3, 19, 57, 359, 983, 1077, 2949, 6821, 18677, 20463, 56031, 352897, 1058691, 6705043, 20115129]

約数ペア:

[(1, 20115129), (3, 6705043), (19, 1058691), (57, 352897), (359, 56031), (983, 20463), (1077, 18677), (2949, 6821)]