20778811198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{20051}}^1\times {\mathrm{27271}}^1$

素因数の和:47343

約数の個数: 16

約数和(自身を含む): 32811488640

約数和(自身を除く): 12032677442

約数列:

[1, 2, 19, 38, 20051, 27271, 40102, 54542, 380969, 518149, 761938, 1036298, 546810821, 1093621642, 10389405599, 20778811198]

約数ペア:

[(1, 20778811198), (2, 10389405599), (19, 1093621642), (38, 546810821), (20051, 1036298), (27271, 761938), (40102, 518149), (54542, 380969)]