20179964144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66381461}}^1$

素因数の和:66381488

約数の個数: 20

約数和(自身を含む): 41156506440

約数和(自身を除く): 20976542296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66381461, 132762922, 265525844, 531051688, 1062103376, 1261247759, 2522495518, 5044991036, 10089982072, 20179964144]

約数ペア:

[(1, 20179964144), (2, 10089982072), (4, 5044991036), (8, 2522495518), (16, 1261247759), (19, 1062103376), (38, 531051688), (76, 265525844), (152, 132762922), (304, 66381461)]