20091195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26263}}^1$

素因数の和:26291

約数の個数: 24

約数和(自身を含む): 36874656

約数和(自身を除く): 16783461

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26263, 78789, 131315, 236367, 393945, 446471, 1181835, 1339413, 2232355, 4018239, 6697065, 20091195]

約数ペア:

[(1, 20091195), (3, 6697065), (5, 4018239), (9, 2232355), (15, 1339413), (17, 1181835), (45, 446471), (51, 393945), (85, 236367), (153, 131315), (255, 78789), (765, 26263)]