20159965077

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25945901}}^1$

素因数の和:25945948

約数の個数: 16

約数和(自身を含む): 31550216832

約数和(自身を除く): 11390251755

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25945901, 77837703, 181621307, 544863921, 959998337, 2879995011, 6719988359, 20159965077]

約数ペア:

[(1, 20159965077), (3, 6719988359), (7, 2879995011), (21, 959998337), (37, 544863921), (111, 181621307), (259, 77837703), (777, 25945901)]