20857079266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{443711}}^1$

素因数の和:444969

約数の個数: 16

約数和(自身を含む): 32958927360

約数和(自身を除く): 12101848094

約数列:

[1, 2, 19, 38, 1237, 2474, 23503, 47006, 443711, 887422, 8430509, 16861018, 548870507, 1097741014, 10428539633, 20857079266]

約数ペア:

[(1, 20857079266), (2, 10428539633), (19, 1097741014), (38, 548870507), (1237, 16861018), (2474, 8430509), (23503, 887422), (47006, 443711)]