20543577

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 28764288

約数和(自身を除く): 8220711

約数列:

[1, 3, 23, 69, 173, 519, 1721, 3979, 5163, 11937, 39583, 118749, 297733, 893199, 6847859, 20543577]

約数ペア:

[(1, 20543577), (3, 6847859), (23, 893199), (69, 297733), (173, 118749), (519, 39583), (1721, 11937), (3979, 5163)]