20878554

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6679}}^1$

素因数の和:7205

約数の個数: 16

約数和(自身を含む): 41843520

約数和(自身を除く): 20964966

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6679, 13358, 20037, 40074, 3479759, 6959518, 10439277, 20878554]

約数ペア:

[(1, 20878554), (2, 10439277), (3, 6959518), (6, 3479759), (521, 40074), (1042, 20037), (1563, 13358), (3126, 6679)]