20387403

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44417}}^1$

素因数の和:44443

約数の個数: 16

約数和(自身を含む): 31980960

約数和(自身を除く): 11593557

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44417, 133251, 399753, 755089, 1199259, 2265267, 6795801, 20387403]

約数ペア:

[(1, 20387403), (3, 6795801), (9, 2265267), (17, 1199259), (27, 755089), (51, 399753), (153, 133251), (459, 44417)]