20709141

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 28582848

約数和(自身を除く): 7873707

約数列:

[1, 3, 41, 101, 123, 303, 1667, 4141, 5001, 12423, 68347, 168367, 205041, 505101, 6903047, 20709141]

約数ペア:

[(1, 20709141), (3, 6903047), (41, 505101), (101, 205041), (123, 168367), (303, 68347), (1667, 12423), (4141, 5001)]