20800863

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 10498977

約数列:

[1, 3, 9, 43, 59, 129, 177, 387, 531, 911, 2537, 2733, 7611, 8199, 22833, 39173, 53749, 117519, 161247, 352557, 483741, 2311207, 6933621, 20800863]

約数ペア:

[(1, 20800863), (3, 6933621), (9, 2311207), (43, 483741), (59, 352557), (129, 161247), (177, 117519), (387, 53749), (531, 39173), (911, 22833), (2537, 8199), (2733, 7611)]