20757996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82373}}^1$

素因数の和:82390

約数の個数: 36

約数和(自身を含む): 59968272

約数和(自身を除く): 39210276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82373, 164746, 247119, 329492, 494238, 576611, 741357, 988476, 1153222, 1482714, 1729833, 2306444, 2965428, 3459666, 5189499, 6919332, 10378998, 20757996]

約数ペア:

[(1, 20757996), (2, 10378998), (3, 6919332), (4, 5189499), (6, 3459666), (7, 2965428), (9, 2306444), (12, 1729833), (14, 1482714), (18, 1153222), (21, 988476), (28, 741357), (36, 576611), (42, 494238), (63, 329492), (84, 247119), (126, 164746), (252, 82373)]