20528607

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 32544000

約数和(自身を除く): 12015393

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 551, 627, 957, 1129, 1653, 3387, 6061, 12419, 18183, 21451, 32741, 37257, 64353, 98223, 235961, 360151, 622079, 707883, 1080453, 1866237, 6842869, 20528607]

約数ペア:

[(1, 20528607), (3, 6842869), (11, 1866237), (19, 1080453), (29, 707883), (33, 622079), (57, 360151), (87, 235961), (209, 98223), (319, 64353), (551, 37257), (627, 32741), (957, 21451), (1129, 18183), (1653, 12419), (3387, 6061)]