20443707

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3259}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 32039280

約数和(自身を除く): 11595573

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3259, 6273, 9777, 29331, 55403, 133619, 166209, 400857, 498627, 1202571, 2271523, 6814569, 20443707]

約数ペア:

[(1, 20443707), (3, 6814569), (9, 2271523), (17, 1202571), (41, 498627), (51, 400857), (123, 166209), (153, 133619), (369, 55403), (697, 29331), (2091, 9777), (3259, 6273)]