20087361

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5227}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 33710144

約数和(自身を除く): 13622783

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5227, 15681, 36589, 47043, 109767, 318847, 329301, 956541, 2231929, 2869623, 6695787, 20087361]

約数ペア:

[(1, 20087361), (3, 6695787), (7, 2869623), (9, 2231929), (21, 956541), (61, 329301), (63, 318847), (183, 109767), (427, 47043), (549, 36589), (1281, 15681), (3843, 5227)]