20367487

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 4913153

約数列:

[1, 7, 19, 49, 131, 133, 167, 917, 931, 1169, 2489, 3173, 6419, 8183, 17423, 21877, 22211, 121961, 153139, 155477, 415663, 1071973, 2909641, 20367487]

約数ペア:

[(1, 20367487), (7, 2909641), (19, 1071973), (49, 415663), (131, 155477), (133, 153139), (167, 121961), (917, 22211), (931, 21877), (1169, 17423), (2489, 8183), (3173, 6419)]