20690715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3821}}^1$

素因数の和:3867

約数の個数: 24

約数和(自身を含む): 34948368

約数和(自身を除く): 14257653

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3821, 5415, 11463, 19105, 57315, 72599, 217797, 362995, 1088985, 1379381, 4138143, 6896905, 20690715]

約数ペア:

[(1, 20690715), (3, 6896905), (5, 4138143), (15, 1379381), (19, 1088985), (57, 362995), (95, 217797), (285, 72599), (361, 57315), (1083, 19105), (1805, 11463), (3821, 5415)]