20321754

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{178261}}^1$

素因数の和:178285

約数の個数: 16

約数和(自身を含む): 42782880

約数和(自身を除く): 22461126

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 178261, 356522, 534783, 1069566, 3386959, 6773918, 10160877, 20321754]

約数ペア:

[(1, 20321754), (2, 10160877), (3, 6773918), (6, 3386959), (19, 1069566), (38, 534783), (57, 356522), (114, 178261)]