20563565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6337}}^1$

素因数の和:6412

約数の個数: 16

約数和(自身を含む): 27380160

約数和(自身を除く): 6816595

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6337, 31685, 69707, 348535, 373883, 1869415, 4112713, 20563565]

約数ペア:

[(1, 20563565), (5, 4112713), (11, 1869415), (55, 373883), (59, 348535), (295, 69707), (649, 31685), (3245, 6337)]