20216353493

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{195893}}^1$

素因数の和:196564

約数の個数: 16

約数和(自身を含む): 24146678016

約数和(自身を除く): 3930324523

約数列:

[1, 7, 23, 161, 641, 4487, 14743, 103201, 195893, 1371251, 4505539, 31538773, 125567413, 878971891, 2888050499, 20216353493]

約数ペア:

[(1, 20216353493), (7, 2888050499), (23, 878971891), (161, 125567413), (641, 31538773), (4487, 4505539), (14743, 1371251), (103201, 195893)]