20545156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3257}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 38314080

約数和(自身を除く): 17768924

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3257, 6308, 6514, 13028, 61883, 123766, 247532, 270331, 540662, 1081324, 5136289, 10272578, 20545156]

約数ペア:

[(1, 20545156), (2, 10272578), (4, 5136289), (19, 1081324), (38, 540662), (76, 270331), (83, 247532), (166, 123766), (332, 61883), (1577, 13028), (3154, 6514), (3257, 6308)]