20087458

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1231}}^1$

素因数の和:1473

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 10958942

約数列:

[1, 2, 41, 82, 199, 398, 1231, 2462, 8159, 16318, 50471, 100942, 244969, 489938, 10043729, 20087458]

約数ペア:

[(1, 20087458), (2, 10043729), (41, 489938), (82, 244969), (199, 100942), (398, 50471), (1231, 16318), (2462, 8159)]