20577831

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1279}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 28508160

約数和(自身を除く): 7930329

約数列:

[1, 3, 31, 93, 173, 519, 1279, 3837, 5363, 16089, 39649, 118947, 221267, 663801, 6859277, 20577831]

約数ペア:

[(1, 20577831), (3, 6859277), (31, 663801), (93, 221267), (173, 118947), (519, 39649), (1279, 16089), (3837, 5363)]