20490018

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179737}}^1$

素因数の和:179761

約数の個数: 16

約数和(自身を含む): 43137120

約数和(自身を除く): 22647102

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179737, 359474, 539211, 1078422, 3415003, 6830006, 10245009, 20490018]

約数ペア:

[(1, 20490018), (2, 10245009), (3, 6830006), (6, 3415003), (19, 1078422), (38, 539211), (57, 359474), (114, 179737)]