20829747

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 28344960

約数和(自身を除く): 7515213

約数列:

[1, 3, 73, 219, 227, 419, 681, 1257, 16571, 30587, 49713, 91761, 95113, 285339, 6943249, 20829747]

約数ペア:

[(1, 20829747), (3, 6943249), (73, 285339), (219, 95113), (227, 91761), (419, 49713), (681, 30587), (1257, 16571)]