20902428

素因数分解:

$2^2\times 3^3\times {\mathrm{193541}}^1$

素因数の和:193554

約数の個数: 24

約数和(自身を含む): 54191760

約数和(自身を除く): 33289332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193541, 387082, 580623, 774164, 1161246, 1741869, 2322492, 3483738, 5225607, 6967476, 10451214, 20902428]

約数ペア:

[(1, 20902428), (2, 10451214), (3, 6967476), (4, 5225607), (6, 3483738), (9, 2322492), (12, 1741869), (18, 1161246), (27, 774164), (36, 580623), (54, 387082), (108, 193541)]