20346750921

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5600537}}^1$

素因数の和:5600720

約数の個数: 16

約数和(自身を含む): 31183795584

約数和(自身を除く): 10837044663

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5600537, 16801611, 39203759, 117611277, 968892901, 2906678703, 6782250307, 20346750921]

約数ペア:

[(1, 20346750921), (3, 6782250307), (7, 2906678703), (21, 968892901), (173, 117611277), (519, 39203759), (1211, 16801611), (3633, 5600537)]