20047052

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13883}}^1$

素因数の和:13925

約数の個数: 18

約数和(自身を含む): 37028628

約数和(自身を除く): 16981576

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13883, 27766, 55532, 263777, 527554, 1055108, 5011763, 10023526, 20047052]

約数ペア:

[(1, 20047052), (2, 10023526), (4, 5011763), (19, 1055108), (38, 527554), (76, 263777), (361, 55532), (722, 27766), (1444, 13883)]